Home / 377,882.40-521,501.24-208,116.48

Finding the Fourth Proportional to 377,882.40, 521,501.24 and 208,116.48

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Solution

The fourth proportional to 377,882.40, 521,501.24 and 208,116.48 is: 287,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,882.40 : 521,501.24 = 208,116.48 : x
  2. Step 2: Convert to fraction form
    377,882.40/521,501.24 = 208,116.48/x
  3. Step 3: Cross multiply
    377,882.40x = 521,501.24 × 208,116.48
  4. Step 4: Simplify right side
    377,882.40x = 108,533,002,384.44
  5. Step 5: Solve for x
    x = 108,533,002,384.44/377,882.40
  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.