Home / 229,215.02-316,279.78-132,403.50

Finding the Fourth Proportional to 229,215.02, 316,279.78 and 132,403.50

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Solution

The fourth proportional to 229,215.02, 316,279.78 and 132,403.50 is: 182,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,215.02 : 316,279.78 = 132,403.50 : x
  2. Step 2: Convert to fraction form
    229,215.02/316,279.78 = 132,403.50/x
  3. Step 3: Cross multiply
    229,215.02x = 316,279.78 × 132,403.50
  4. Step 4: Simplify right side
    229,215.02x = 41,876,549,520.22
  5. Step 5: Solve for x
    x = 41,876,549,520.22/229,215.02
  6. Step 6: Final answer
    x = 182,695.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.