Home / 411,739.60-568,071.15-230,422.72

Finding the Fourth Proportional to 411,739.60, 568,071.15 and 230,422.72

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Solution

The fourth proportional to 411,739.60, 568,071.15 and 230,422.72 is: 317,910.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,739.60 : 568,071.15 = 230,422.72 : x
  2. Step 2: Convert to fraction form
    411,739.60/568,071.15 = 230,422.72/x
  3. Step 3: Cross multiply
    411,739.60x = 568,071.15 × 230,422.72
  4. Step 4: Simplify right side
    411,739.60x = 130,896,499,536.53
  5. Step 5: Solve for x
    x = 130,896,499,536.53/411,739.60
  6. Step 6: Final answer
    x = 317,910.88

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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.