Home / 330,337.28-455,873.88-187,095.20

Finding the Fourth Proportional to 330,337.28, 455,873.88 and 187,095.20

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Solution

The fourth proportional to 330,337.28, 455,873.88 and 187,095.20 is: 258,196.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,337.28 : 455,873.88 = 187,095.20 : x
  2. Step 2: Convert to fraction form
    330,337.28/455,873.88 = 187,095.20/x
  3. Step 3: Cross multiply
    330,337.28x = 455,873.88 × 187,095.20
  4. Step 4: Simplify right side
    330,337.28x = 85,291,814,753.38
  5. Step 5: Solve for x
    x = 85,291,814,753.38/330,337.28
  6. Step 6: Final answer
    x = 258,196.15

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1.5x scale

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.