Home / 231,769.80-347,784.30-98,627.40

Finding the Fourth Proportional to 231,769.80, 347,784.30 and 98,627.40

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Solution

The fourth proportional to 231,769.80, 347,784.30 and 98,627.40 is: 147,996.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,769.80 : 347,784.30 = 98,627.40 : x
  2. Step 2: Convert to fraction form
    231,769.80/347,784.30 = 98,627.40/x
  3. Step 3: Cross multiply
    231,769.80x = 347,784.30 × 98,627.40
  4. Step 4: Simplify right side
    231,769.80x = 34,301,061,269.82
  5. Step 5: Solve for x
    x = 34,301,061,269.82/231,769.80
  6. Step 6: Final answer
    x = 147,996.25

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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.