Home / 487,014.27-730,521.38-132,019.07

Finding the Fourth Proportional to 487,014.27, 730,521.38 and 132,019.07

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Solution

The fourth proportional to 487,014.27, 730,521.38 and 132,019.07 is: 198,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,014.27 : 730,521.38 = 132,019.07 : x
  2. Step 2: Convert to fraction form
    487,014.27/730,521.38 = 132,019.07/x
  3. Step 3: Cross multiply
    487,014.27x = 730,521.38 × 132,019.07
  4. Step 4: Simplify right side
    487,014.27x = 96,442,749,880.16
  5. Step 5: Solve for x
    x = 96,442,749,880.16/487,014.27
  6. Step 6: Final answer
    x = 198,028.59

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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.