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Finding the Fourth Proportional to 493,592.31, 681,159.51 and 267,237.81

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Solution

The fourth proportional to 493,592.31, 681,159.51 and 267,237.81 is: 368,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,592.31 : 681,159.51 = 267,237.81 : x
  2. Step 2: Convert to fraction form
    493,592.31/681,159.51 = 267,237.81/x
  3. Step 3: Cross multiply
    493,592.31x = 681,159.51 × 267,237.81
  4. Step 4: Simplify right side
    493,592.31x = 182,031,575,713.07
  5. Step 5: Solve for x
    x = 182,031,575,713.07/493,592.31
  6. Step 6: Final answer
    x = 368,789.33

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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.