Home / 242,404.31-334,427.15-140,392.62

Finding the Fourth Proportional to 242,404.31, 334,427.15 and 140,392.62

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Solution

The fourth proportional to 242,404.31, 334,427.15 and 140,392.62 is: 193,689.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,404.31 : 334,427.15 = 140,392.62 : x
  2. Step 2: Convert to fraction form
    242,404.31/334,427.15 = 140,392.62/x
  3. Step 3: Cross multiply
    242,404.31x = 334,427.15 × 140,392.62
  4. Step 4: Simplify right side
    242,404.31x = 46,951,104,138.61
  5. Step 5: Solve for x
    x = 46,951,104,138.61/242,404.31
  6. Step 6: Final answer
    x = 193,689.23

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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.