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Finding the Fourth Proportional to 603,487.95, 905,229.35 and 154,208.10

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Solution

The fourth proportional to 603,487.95, 905,229.35 and 154,208.10 is: 231,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,487.95 : 905,229.35 = 154,208.10 : x
  2. Step 2: Convert to fraction form
    603,487.95/905,229.35 = 154,208.10/x
  3. Step 3: Cross multiply
    603,487.95x = 905,229.35 × 154,208.10
  4. Step 4: Simplify right side
    603,487.95x = 139,593,698,127.74
  5. Step 5: Solve for x
    x = 139,593,698,127.74/603,487.95
  6. Step 6: Final answer
    x = 231,311.49

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.