Home / 231,332.60-347,517.30-221,886.20

Finding the Fourth Proportional to 231,332.60, 347,517.30 and 221,886.20

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Solution

The fourth proportional to 231,332.60, 347,517.30 and 221,886.20 is: 333,326.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,332.60 : 347,517.30 = 221,886.20 : x
  2. Step 2: Convert to fraction form
    231,332.60/347,517.30 = 221,886.20/x
  3. Step 3: Cross multiply
    231,332.60x = 347,517.30 × 221,886.20
  4. Step 4: Simplify right side
    231,332.60x = 77,109,293,131.26
  5. Step 5: Solve for x
    x = 77,109,293,131.26/231,332.60
  6. Step 6: Final answer
    x = 333,326.53

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1.5x scale

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.