Home / 257,537.70-386,306.55-163,059.30

Finding the Fourth Proportional to 257,537.70, 386,306.55 and 163,059.30

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Solution

The fourth proportional to 257,537.70, 386,306.55 and 163,059.30 is: 244,588.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,537.70 : 386,306.55 = 163,059.30 : x
  2. Step 2: Convert to fraction form
    257,537.70/386,306.55 = 163,059.30/x
  3. Step 3: Cross multiply
    257,537.70x = 386,306.55 × 163,059.30
  4. Step 4: Simplify right side
    257,537.70x = 62,990,875,628.42
  5. Step 5: Solve for x
    x = 62,990,875,628.42/257,537.70
  6. Step 6: Final answer
    x = 244,588.95

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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.