Home / 329,613.02-493,065.96-263,182.88

Finding the Fourth Proportional to 329,613.02, 493,065.96 and 263,182.88

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Solution

The fourth proportional to 329,613.02, 493,065.96 and 263,182.88 is: 393,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,613.02 : 493,065.96 = 263,182.88 : x
  2. Step 2: Convert to fraction form
    329,613.02/493,065.96 = 263,182.88/x
  3. Step 3: Cross multiply
    329,613.02x = 493,065.96 × 263,182.88
  4. Step 4: Simplify right side
    329,613.02x = 129,766,519,382.77
  5. Step 5: Solve for x
    x = 129,766,519,382.77/329,613.02
  6. Step 6: Final answer
    x = 393,693.55

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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.