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Finding the Fourth Proportional to 468,454.16, 646,462.92 and 253,589.84

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Solution

The fourth proportional to 468,454.16, 646,462.92 and 253,589.84 is: 349,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,454.16 : 646,462.92 = 253,589.84 : x
  2. Step 2: Convert to fraction form
    468,454.16/646,462.92 = 253,589.84/x
  3. Step 3: Cross multiply
    468,454.16x = 646,462.92 × 253,589.84
  4. Step 4: Simplify right side
    468,454.16x = 163,936,428,448.73
  5. Step 5: Solve for x
    x = 163,936,428,448.73/468,454.16
  6. Step 6: Final answer
    x = 349,951.91

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1.5x scale

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.