Home / 231,947.80-348,051.30-98,805.40

Finding the Fourth Proportional to 231,947.80, 348,051.30 and 98,805.40

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Solution

The fourth proportional to 231,947.80, 348,051.30 and 98,805.40 is: 148,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,947.80 : 348,051.30 = 98,805.40 : x
  2. Step 2: Convert to fraction form
    231,947.80/348,051.30 = 98,805.40/x
  3. Step 3: Cross multiply
    231,947.80x = 348,051.30 × 98,805.40
  4. Step 4: Simplify right side
    231,947.80x = 34,389,347,917.02
  5. Step 5: Solve for x
    x = 34,389,347,917.02/231,947.80
  6. Step 6: Final answer
    x = 148,263.31

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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.