Home / 215,900.13-323,176.28-159,038.15

Finding the Fourth Proportional to 215,900.13, 323,176.28 and 159,038.15

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Solution

The fourth proportional to 215,900.13, 323,176.28 and 159,038.15 is: 238,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,900.13 : 323,176.28 = 159,038.15 : x
  2. Step 2: Convert to fraction form
    215,900.13/323,176.28 = 159,038.15/x
  3. Step 3: Cross multiply
    215,900.13x = 323,176.28 × 159,038.15
  4. Step 4: Simplify right side
    215,900.13x = 51,397,356,476.80
  5. Step 5: Solve for x
    x = 51,397,356,476.80/215,900.13
  6. Step 6: Final answer
    x = 238,060.79

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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.