Home / 257,251.02-384,041.27-240,155.61

Finding the Fourth Proportional to 257,251.02, 384,041.27 and 240,155.61

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Solution

The fourth proportional to 257,251.02, 384,041.27 and 240,155.61 is: 358,520.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,251.02 : 384,041.27 = 240,155.61 : x
  2. Step 2: Convert to fraction form
    257,251.02/384,041.27 = 240,155.61/x
  3. Step 3: Cross multiply
    257,251.02x = 384,041.27 × 240,155.61
  4. Step 4: Simplify right side
    257,251.02x = 92,229,664,261.25
  5. Step 5: Solve for x
    x = 92,229,664,261.25/257,251.02
  6. Step 6: Final answer
    x = 358,520.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.