Home / 214,915.02-322,427.20-126,243.50

Finding the Fourth Proportional to 214,915.02, 322,427.20 and 126,243.50

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Solution

The fourth proportional to 214,915.02, 322,427.20 and 126,243.50 is: 189,397.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,915.02 : 322,427.20 = 126,243.50 : x
  2. Step 2: Convert to fraction form
    214,915.02/322,427.20 = 126,243.50/x
  3. Step 3: Cross multiply
    214,915.02x = 322,427.20 × 126,243.50
  4. Step 4: Simplify right side
    214,915.02x = 40,704,338,223.20
  5. Step 5: Solve for x
    x = 40,704,338,223.20/214,915.02
  6. Step 6: Final answer
    x = 189,397.36

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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.