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Finding the Fourth Proportional to 373,140.56, 514,527.42 and 252,071.74

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Solution

The fourth proportional to 373,140.56, 514,527.42 and 252,071.74 is: 347,584.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,140.56 : 514,527.42 = 252,071.74 : x
  2. Step 2: Convert to fraction form
    373,140.56/514,527.42 = 252,071.74/x
  3. Step 3: Cross multiply
    373,140.56x = 514,527.42 × 252,071.74
  4. Step 4: Simplify right side
    373,140.56x = 129,697,822,037.11
  5. Step 5: Solve for x
    x = 129,697,822,037.11/373,140.56
  6. Step 6: Final answer
    x = 347,584.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.