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Finding the Fourth Proportional to 468,572.08, 702,851.82 and 113,589.16

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Solution

The fourth proportional to 468,572.08, 702,851.82 and 113,589.16 is: 170,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,572.08 : 702,851.82 = 113,589.16 : x
  2. Step 2: Convert to fraction form
    468,572.08/702,851.82 = 113,589.16/x
  3. Step 3: Cross multiply
    468,572.08x = 702,851.82 × 113,589.16
  4. Step 4: Simplify right side
    468,572.08x = 79,836,347,838.27
  5. Step 5: Solve for x
    x = 79,836,347,838.27/468,572.08
  6. Step 6: Final answer
    x = 170,382.21

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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.