Home / 331,986.90-498,045.15-132,273.30

Finding the Fourth Proportional to 331,986.90, 498,045.15 and 132,273.30

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Solution

The fourth proportional to 331,986.90, 498,045.15 and 132,273.30 is: 198,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,986.90 : 498,045.15 = 132,273.30 : x
  2. Step 2: Convert to fraction form
    331,986.90/498,045.15 = 132,273.30/x
  3. Step 3: Cross multiply
    331,986.90x = 498,045.15 × 132,273.30
  4. Step 4: Simplify right side
    331,986.90x = 65,878,075,539.50
  5. Step 5: Solve for x
    x = 65,878,075,539.50/331,986.90
  6. Step 6: Final answer
    x = 198,435.77

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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.