Home / 257,925.10-386,559.60-229,712.80

Finding the Fourth Proportional to 257,925.10, 386,559.60 and 229,712.80

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Solution

The fourth proportional to 257,925.10, 386,559.60 and 229,712.80 is: 344,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,925.10 : 386,559.60 = 229,712.80 : x
  2. Step 2: Convert to fraction form
    257,925.10/386,559.60 = 229,712.80/x
  3. Step 3: Cross multiply
    257,925.10x = 386,559.60 × 229,712.80
  4. Step 4: Simplify right side
    257,925.10x = 88,797,688,082.88
  5. Step 5: Solve for x
    x = 88,797,688,082.88/257,925.10
  6. Step 6: Final answer
    x = 344,277.03

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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.