Home / 377,882.38-521,501.26-208,116.46

Finding the Fourth Proportional to 377,882.38, 521,501.26 and 208,116.46

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Solution

The fourth proportional to 377,882.38, 521,501.26 and 208,116.46 is: 287,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,882.38 : 521,501.26 = 208,116.46 : x
  2. Step 2: Convert to fraction form
    377,882.38/521,501.26 = 208,116.46/x
  3. Step 3: Cross multiply
    377,882.38x = 521,501.26 × 208,116.46
  4. Step 4: Simplify right side
    377,882.38x = 108,532,996,116.74
  5. Step 5: Solve for x
    x = 108,532,996,116.74/377,882.38
  6. Step 6: Final answer
    x = 287,213.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.