Home / 439,913.20-659,432.40-202,842.40

Finding the Fourth Proportional to 439,913.20, 659,432.40 and 202,842.40

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Solution

The fourth proportional to 439,913.20, 659,432.40 and 202,842.40 is: 304,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,913.20 : 659,432.40 = 202,842.40 : x
  2. Step 2: Convert to fraction form
    439,913.20/659,432.40 = 202,842.40/x
  3. Step 3: Cross multiply
    439,913.20x = 659,432.40 × 202,842.40
  4. Step 4: Simplify right side
    439,913.20x = 133,760,850,653.76
  5. Step 5: Solve for x
    x = 133,760,850,653.76/439,913.20
  6. Step 6: Final answer
    x = 304,061.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.