Home / 231,326.60-347,508.30-221,880.20

Finding the Fourth Proportional to 231,326.60, 347,508.30 and 221,880.20

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Solution

The fourth proportional to 231,326.60, 347,508.30 and 221,880.20 is: 333,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,326.60 : 347,508.30 = 221,880.20 : x
  2. Step 2: Convert to fraction form
    231,326.60/347,508.30 = 221,880.20/x
  3. Step 3: Cross multiply
    231,326.60x = 347,508.30 × 221,880.20
  4. Step 4: Simplify right side
    231,326.60x = 77,105,211,105.66
  5. Step 5: Solve for x
    x = 77,105,211,105.66/231,326.60
  6. Step 6: Final answer
    x = 333,317.53

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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.