Home / 603,385.85-905,077.87-154,106.60

Finding the Fourth Proportional to 603,385.85, 905,077.87 and 154,106.60

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Solution

The fourth proportional to 603,385.85, 905,077.87 and 154,106.60 is: 231,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,385.85 : 905,077.87 = 154,106.60 : x
  2. Step 2: Convert to fraction form
    603,385.85/905,077.87 = 154,106.60/x
  3. Step 3: Cross multiply
    603,385.85x = 905,077.87 × 154,106.60
  4. Step 4: Simplify right side
    603,385.85x = 139,478,468,370.29
  5. Step 5: Solve for x
    x = 139,478,468,370.29/603,385.85
  6. Step 6: Final answer
    x = 231,159.66

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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.