Home / 373,882.50-559,929.78-215,631.18

Finding the Fourth Proportional to 373,882.50, 559,929.78 and 215,631.18

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Solution

The fourth proportional to 373,882.50, 559,929.78 and 215,631.18 is: 322,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,882.50 : 559,929.78 = 215,631.18 : x
  2. Step 2: Convert to fraction form
    373,882.50/559,929.78 = 215,631.18/x
  3. Step 3: Cross multiply
    373,882.50x = 559,929.78 × 215,631.18
  4. Step 4: Simplify right side
    373,882.50x = 120,738,319,178.54
  5. Step 5: Solve for x
    x = 120,738,319,178.54/373,882.50
  6. Step 6: Final answer
    x = 322,931.19

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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.