Home / 348,514.30-521,605.05-306,523.90

Finding the Fourth Proportional to 348,514.30, 521,605.05 and 306,523.90

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Solution

The fourth proportional to 348,514.30, 521,605.05 and 306,523.90 is: 458,759.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,514.30 : 521,605.05 = 306,523.90 : x
  2. Step 2: Convert to fraction form
    348,514.30/521,605.05 = 306,523.90/x
  3. Step 3: Cross multiply
    348,514.30x = 521,605.05 × 306,523.90
  4. Step 4: Simplify right side
    348,514.30x = 159,884,414,185.70
  5. Step 5: Solve for x
    x = 159,884,414,185.70/348,514.30
  6. Step 6: Final answer
    x = 458,759.98

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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.