Home / 231,415.80-347,253.30-98,273.40

Finding the Fourth Proportional to 231,415.80, 347,253.30 and 98,273.40

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Solution

The fourth proportional to 231,415.80, 347,253.30 and 98,273.40 is: 147,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,415.80 : 347,253.30 = 98,273.40 : x
  2. Step 2: Convert to fraction form
    231,415.80/347,253.30 = 98,273.40/x
  3. Step 3: Cross multiply
    231,415.80x = 347,253.30 × 98,273.40
  4. Step 4: Simplify right side
    231,415.80x = 34,125,762,452.22
  5. Step 5: Solve for x
    x = 34,125,762,452.22/231,415.80
  6. Step 6: Final answer
    x = 147,465.14

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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.