Home / 285,595.24-427,925.46-172,934.20

Finding the Fourth Proportional to 285,595.24, 427,925.46 and 172,934.20

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Solution

The fourth proportional to 285,595.24, 427,925.46 and 172,934.20 is: 259,118.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,595.24 : 427,925.46 = 172,934.20 : x
  2. Step 2: Convert to fraction form
    285,595.24/427,925.46 = 172,934.20/x
  3. Step 3: Cross multiply
    285,595.24x = 427,925.46 × 172,934.20
  4. Step 4: Simplify right side
    285,595.24x = 74,002,947,084.73
  5. Step 5: Solve for x
    x = 74,002,947,084.73/285,595.24
  6. Step 6: Final answer
    x = 259,118.28

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1.5x scale

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.