Home / 348,523.30-521,618.55-306,532.90

Finding the Fourth Proportional to 348,523.30, 521,618.55 and 306,532.90

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Solution

The fourth proportional to 348,523.30, 521,618.55 and 306,532.90 is: 458,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,523.30 : 521,618.55 = 306,532.90 : x
  2. Step 2: Convert to fraction form
    348,523.30/521,618.55 = 306,532.90/x
  3. Step 3: Cross multiply
    348,523.30x = 521,618.55 × 306,532.90
  4. Step 4: Simplify right side
    348,523.30x = 159,893,246,825.30
  5. Step 5: Solve for x
    x = 159,893,246,825.30/348,523.30
  6. Step 6: Final answer
    x = 458,773.48

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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.