Home / 658,447.24-987,663.66-159,811.24

Finding the Fourth Proportional to 658,447.24, 987,663.66 and 159,811.24

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Solution

The fourth proportional to 658,447.24, 987,663.66 and 159,811.24 is: 239,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,447.24 : 987,663.66 = 159,811.24 : x
  2. Step 2: Convert to fraction form
    658,447.24/987,663.66 = 159,811.24/x
  3. Step 3: Cross multiply
    658,447.24x = 987,663.66 × 159,811.24
  4. Step 4: Simplify right side
    658,447.24x = 157,839,754,207.54
  5. Step 5: Solve for x
    x = 157,839,754,207.54/658,447.24
  6. Step 6: Final answer
    x = 239,715.11

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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.