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Finding the Fourth Proportional to 285,449.24, 428,070.51 and 95,852.90

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Solution

The fourth proportional to 285,449.24, 428,070.51 and 95,852.90 is: 143,744.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,449.24 : 428,070.51 = 95,852.90 : x
  2. Step 2: Convert to fraction form
    285,449.24/428,070.51 = 95,852.90/x
  3. Step 3: Cross multiply
    285,449.24x = 428,070.51 × 95,852.90
  4. Step 4: Simplify right side
    285,449.24x = 41,031,799,787.98
  5. Step 5: Solve for x
    x = 41,031,799,787.98/285,449.24
  6. Step 6: Final answer
    x = 143,744.65

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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.