Home / 219,046.64-328,593.04-90,948.38

Finding the Fourth Proportional to 219,046.64, 328,593.04 and 90,948.38

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Solution

The fourth proportional to 219,046.64, 328,593.04 and 90,948.38 is: 136,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,046.64 : 328,593.04 = 90,948.38 : x
  2. Step 2: Convert to fraction form
    219,046.64/328,593.04 = 90,948.38/x
  3. Step 3: Cross multiply
    219,046.64x = 328,593.04 × 90,948.38
  4. Step 4: Simplify right side
    219,046.64x = 29,885,005,261.39
  5. Step 5: Solve for x
    x = 29,885,005,261.39/219,046.64
  6. Step 6: Final answer
    x = 136,432.15

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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.