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Finding the Fourth Proportional to 487,751.09, 731,314.44 and 234,527.20

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Solution

The fourth proportional to 487,751.09, 731,314.44 and 234,527.20 is: 351,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,751.09 : 731,314.44 = 234,527.20 : x
  2. Step 2: Convert to fraction form
    487,751.09/731,314.44 = 234,527.20/x
  3. Step 3: Cross multiply
    487,751.09x = 731,314.44 × 234,527.20
  4. Step 4: Simplify right side
    487,751.09x = 171,513,126,104.48
  5. Step 5: Solve for x
    x = 171,513,126,104.48/487,751.09
  6. Step 6: Final answer
    x = 351,640.69

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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.