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Finding the Fourth Proportional to 434,523.70, 651,785.55 and 118,980.10

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Solution

The fourth proportional to 434,523.70, 651,785.55 and 118,980.10 is: 178,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,523.70 : 651,785.55 = 118,980.10 : x
  2. Step 2: Convert to fraction form
    434,523.70/651,785.55 = 118,980.10/x
  3. Step 3: Cross multiply
    434,523.70x = 651,785.55 × 118,980.10
  4. Step 4: Simplify right side
    434,523.70x = 77,549,509,917.56
  5. Step 5: Solve for x
    x = 77,549,509,917.56/434,523.70
  6. Step 6: Final answer
    x = 178,470.15

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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.