Home / 283,725.60-391,541.18-156,403.32

Finding the Fourth Proportional to 283,725.60, 391,541.18 and 156,403.32

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Solution

The fourth proportional to 283,725.60, 391,541.18 and 156,403.32 is: 215,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,725.60 : 391,541.18 = 156,403.32 : x
  2. Step 2: Convert to fraction form
    283,725.60/391,541.18 = 156,403.32/x
  3. Step 3: Cross multiply
    283,725.60x = 391,541.18 × 156,403.32
  4. Step 4: Simplify right side
    283,725.60x = 61,238,340,468.72
  5. Step 5: Solve for x
    x = 61,238,340,468.72/283,725.60
  6. Step 6: Final answer
    x = 215,836.50

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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.