Home / 377,766.59-521,316.41-208,000.71

Finding the Fourth Proportional to 377,766.59, 521,316.41 and 208,000.71

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Solution

The fourth proportional to 377,766.59, 521,316.41 and 208,000.71 is: 287,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,766.59 : 521,316.41 = 208,000.71 : x
  2. Step 2: Convert to fraction form
    377,766.59/521,316.41 = 208,000.71/x
  3. Step 3: Cross multiply
    377,766.59x = 521,316.41 × 208,000.71
  4. Step 4: Simplify right side
    377,766.59x = 108,434,182,374.65
  5. Step 5: Solve for x
    x = 108,434,182,374.65/377,766.59
  6. Step 6: Final answer
    x = 287,040.16

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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.