Home / 487,179-730,682.24-132,220.62

Finding the Fourth Proportional to 487,179, 730,682.24 and 132,220.62

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Solution

The fourth proportional to 487,179, 730,682.24 and 132,220.62 is: 198,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,179 : 730,682.24 = 132,220.62 : x
  2. Step 2: Convert to fraction form
    487,179/730,682.24 = 132,220.62/x
  3. Step 3: Cross multiply
    487,179x = 730,682.24 × 132,220.62
  4. Step 4: Simplify right side
    487,179x = 96,611,258,134.69
  5. Step 5: Solve for x
    x = 96,611,258,134.69/487,179
  6. Step 6: Final answer
    x = 198,307.52

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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.