Home / 215,484.17-323,001.57-120,575.21

Finding the Fourth Proportional to 215,484.17, 323,001.57 and 120,575.21

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Solution

The fourth proportional to 215,484.17, 323,001.57 and 120,575.21 is: 180,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,484.17 : 323,001.57 = 120,575.21 : x
  2. Step 2: Convert to fraction form
    215,484.17/323,001.57 = 120,575.21/x
  3. Step 3: Cross multiply
    215,484.17x = 323,001.57 × 120,575.21
  4. Step 4: Simplify right side
    215,484.17x = 38,945,982,133.08
  5. Step 5: Solve for x
    x = 38,945,982,133.08/215,484.17
  6. Step 6: Final answer
    x = 180,737.09

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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.