Home / 331,318.27-497,002.59-128,827.39

Finding the Fourth Proportional to 331,318.27, 497,002.59 and 128,827.39

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Solution

The fourth proportional to 331,318.27, 497,002.59 and 128,827.39 is: 193,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,318.27 : 497,002.59 = 128,827.39 : x
  2. Step 2: Convert to fraction form
    331,318.27/497,002.59 = 128,827.39/x
  3. Step 3: Cross multiply
    331,318.27x = 497,002.59 × 128,827.39
  4. Step 4: Simplify right side
    331,318.27x = 64,027,546,492.94
  5. Step 5: Solve for x
    x = 64,027,546,492.94/331,318.27
  6. Step 6: Final answer
    x = 193,250.88

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1.5x scale

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.