Home / 285,488.20-428,239.14-95,951.32

Finding the Fourth Proportional to 285,488.20, 428,239.14 and 95,951.32

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Solution

The fourth proportional to 285,488.20, 428,239.14 and 95,951.32 is: 143,929.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,488.20 : 428,239.14 = 95,951.32 : x
  2. Step 2: Convert to fraction form
    285,488.20/428,239.14 = 95,951.32/x
  3. Step 3: Cross multiply
    285,488.20x = 428,239.14 × 95,951.32
  4. Step 4: Simplify right side
    285,488.20x = 41,090,110,758.66
  5. Step 5: Solve for x
    x = 41,090,110,758.66/285,488.20
  6. Step 6: Final answer
    x = 143,929.28

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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.