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Finding the Fourth Proportional to 603,363.91, 905,045.07 and 154,085.10

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Solution

The fourth proportional to 603,363.91, 905,045.07 and 154,085.10 is: 231,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,363.91 : 905,045.07 = 154,085.10 : x
  2. Step 2: Convert to fraction form
    603,363.91/905,045.07 = 154,085.10/x
  3. Step 3: Cross multiply
    603,363.91x = 905,045.07 × 154,085.10
  4. Step 4: Simplify right side
    603,363.91x = 139,453,960,115.46
  5. Step 5: Solve for x
    x = 139,453,960,115.46/603,363.91
  6. Step 6: Final answer
    x = 231,127.45

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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.