Home / 442,961.24-664,547.56-143,442.14

Finding the Fourth Proportional to 442,961.24, 664,547.56 and 143,442.14

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Solution

The fourth proportional to 442,961.24, 664,547.56 and 143,442.14 is: 215,197.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,961.24 : 664,547.56 = 143,442.14 : x
  2. Step 2: Convert to fraction form
    442,961.24/664,547.56 = 143,442.14/x
  3. Step 3: Cross multiply
    442,961.24x = 664,547.56 × 143,442.14
  4. Step 4: Simplify right side
    442,961.24x = 95,324,124,138.18
  5. Step 5: Solve for x
    x = 95,324,124,138.18/442,961.24
  6. Step 6: Final answer
    x = 215,197.44

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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.