Home / 377,915.70-521,523.63-208,149.83

Finding the Fourth Proportional to 377,915.70, 521,523.63 and 208,149.83

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Solution

The fourth proportional to 377,915.70, 521,523.63 and 208,149.83 is: 287,246.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,915.70 : 521,523.63 = 208,149.83 : x
  2. Step 2: Convert to fraction form
    377,915.70/521,523.63 = 208,149.83/x
  3. Step 3: Cross multiply
    377,915.70x = 521,523.63 × 208,149.83
  4. Step 4: Simplify right side
    377,915.70x = 108,555,052,317.87
  5. Step 5: Solve for x
    x = 108,555,052,317.87/377,915.70
  6. Step 6: Final answer
    x = 287,246.74

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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.