Home / 347,716.80-521,575.20-137,246.40

Finding the Fourth Proportional to 347,716.80, 521,575.20 and 137,246.40

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Solution

The fourth proportional to 347,716.80, 521,575.20 and 137,246.40 is: 205,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,716.80 : 521,575.20 = 137,246.40 : x
  2. Step 2: Convert to fraction form
    347,716.80/521,575.20 = 137,246.40/x
  3. Step 3: Cross multiply
    347,716.80x = 521,575.20 × 137,246.40
  4. Step 4: Simplify right side
    347,716.80x = 71,584,318,529.28
  5. Step 5: Solve for x
    x = 71,584,318,529.28/347,716.80
  6. Step 6: Final answer
    x = 205,869.60

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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.