Home / 891,115.80-1,336,752.30-251,425.14

Finding the Fourth Proportional to 891,115.80, 1,336,752.30 and 251,425.14

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Solution

The fourth proportional to 891,115.80, 1,336,752.30 and 251,425.14 is: 377,159.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,115.80 : 1,336,752.30 = 251,425.14 : x
  2. Step 2: Convert to fraction form
    891,115.80/1,336,752.30 = 251,425.14/x
  3. Step 3: Cross multiply
    891,115.80x = 1,336,752.30 × 251,425.14
  4. Step 4: Simplify right side
    891,115.80x = 336,093,134,172.82
  5. Step 5: Solve for x
    x = 336,093,134,172.82/891,115.80
  6. Step 6: Final answer
    x = 377,159.89

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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.