Home / 377,621.60-521,117.96-207,854.52

Finding the Fourth Proportional to 377,621.60, 521,117.96 and 207,854.52

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Solution

The fourth proportional to 377,621.60, 521,117.96 and 207,854.52 is: 286,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,621.60 : 521,117.96 = 207,854.52 : x
  2. Step 2: Convert to fraction form
    377,621.60/521,117.96 = 207,854.52/x
  3. Step 3: Cross multiply
    377,621.60x = 521,117.96 × 207,854.52
  4. Step 4: Simplify right side
    377,621.60x = 108,316,723,439.18
  5. Step 5: Solve for x
    x = 108,316,723,439.18/377,621.60
  6. Step 6: Final answer
    x = 286,839.32

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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.