Home / 442,764.30-664,075.17-127,149.42

Finding the Fourth Proportional to 442,764.30, 664,075.17 and 127,149.42

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Solution

The fourth proportional to 442,764.30, 664,075.17 and 127,149.42 is: 190,703.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,764.30 : 664,075.17 = 127,149.42 : x
  2. Step 2: Convert to fraction form
    442,764.30/664,075.17 = 127,149.42/x
  3. Step 3: Cross multiply
    442,764.30x = 664,075.17 × 127,149.42
  4. Step 4: Simplify right side
    442,764.30x = 84,436,772,701.90
  5. Step 5: Solve for x
    x = 84,436,772,701.90/442,764.30
  6. Step 6: Final answer
    x = 190,703.66

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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.