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Finding the Fourth Proportional to 504,708.87, 757,139.16 and 163,038.24

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Solution

The fourth proportional to 504,708.87, 757,139.16 and 163,038.24 is: 244,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,708.87 : 757,139.16 = 163,038.24 : x
  2. Step 2: Convert to fraction form
    504,708.87/757,139.16 = 163,038.24/x
  3. Step 3: Cross multiply
    504,708.87x = 757,139.16 × 163,038.24
  4. Step 4: Simplify right side
    504,708.87x = 123,442,636,081.48
  5. Step 5: Solve for x
    x = 123,442,636,081.48/504,708.87
  6. Step 6: Final answer
    x = 244,581.86

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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.