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Finding the Fourth Proportional to 370,519.95, 511,250.24 and 207,179.40

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Solution

The fourth proportional to 370,519.95, 511,250.24 and 207,179.40 is: 285,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,519.95 : 511,250.24 = 207,179.40 : x
  2. Step 2: Convert to fraction form
    370,519.95/511,250.24 = 207,179.40/x
  3. Step 3: Cross multiply
    370,519.95x = 511,250.24 × 207,179.40
  4. Step 4: Simplify right side
    370,519.95x = 105,920,514,380.91
  5. Step 5: Solve for x
    x = 105,920,514,380.91/370,519.95
  6. Step 6: Final answer
    x = 285,869.94

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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.