Home / 215,654.40-323,371.14-115,898.58

Finding the Fourth Proportional to 215,654.40, 323,371.14 and 115,898.58

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Solution

The fourth proportional to 215,654.40, 323,371.14 and 115,898.58 is: 173,788.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,654.40 : 323,371.14 = 115,898.58 : x
  2. Step 2: Convert to fraction form
    215,654.40/323,371.14 = 115,898.58/x
  3. Step 3: Cross multiply
    215,654.40x = 323,371.14 × 115,898.58
  4. Step 4: Simplify right side
    215,654.40x = 37,478,255,938.98
  5. Step 5: Solve for x
    x = 37,478,255,938.98/215,654.40
  6. Step 6: Final answer
    x = 173,788.51

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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.