Home / 377,836.74-521,451.53-282,177.36

Finding the Fourth Proportional to 377,836.74, 521,451.53 and 282,177.36

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Solution

The fourth proportional to 377,836.74, 521,451.53 and 282,177.36 is: 389,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,836.74 : 521,451.53 = 282,177.36 : x
  2. Step 2: Convert to fraction form
    377,836.74/521,451.53 = 282,177.36/x
  3. Step 3: Cross multiply
    377,836.74x = 521,451.53 × 282,177.36
  4. Step 4: Simplify right side
    377,836.74x = 147,141,814,692.47
  5. Step 5: Solve for x
    x = 147,141,814,692.47/377,836.74
  6. Step 6: Final answer
    x = 389,432.26

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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.