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Finding the Fourth Proportional to 233,080.92, 349,570.72 and 83,331.60

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Solution

The fourth proportional to 233,080.92, 349,570.72 and 83,331.60 is: 124,979.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,080.92 : 349,570.72 = 83,331.60 : x
  2. Step 2: Convert to fraction form
    233,080.92/349,570.72 = 83,331.60/x
  3. Step 3: Cross multiply
    233,080.92x = 349,570.72 × 83,331.60
  4. Step 4: Simplify right side
    233,080.92x = 29,130,287,410.75
  5. Step 5: Solve for x
    x = 29,130,287,410.75/233,080.92
  6. Step 6: Final answer
    x = 124,979.29

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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.