Home / 347,581.13-521,374.88-137,219.06

Finding the Fourth Proportional to 347,581.13, 521,374.88 and 137,219.06

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Solution

The fourth proportional to 347,581.13, 521,374.88 and 137,219.06 is: 205,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,581.13 : 521,374.88 = 137,219.06 : x
  2. Step 2: Convert to fraction form
    347,581.13/521,374.88 = 137,219.06/x
  3. Step 3: Cross multiply
    347,581.13x = 521,374.88 × 137,219.06
  4. Step 4: Simplify right side
    347,581.13x = 71,542,571,815.84
  5. Step 5: Solve for x
    x = 71,542,571,815.84/347,581.13
  6. Step 6: Final answer
    x = 205,829.85

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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.