Home / 268,893.12-371,041.92-155,694.72

Finding the Fourth Proportional to 268,893.12, 371,041.92 and 155,694.72

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Solution

The fourth proportional to 268,893.12, 371,041.92 and 155,694.72 is: 214,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,893.12 : 371,041.92 = 155,694.72 : x
  2. Step 2: Convert to fraction form
    268,893.12/371,041.92 = 155,694.72/x
  3. Step 3: Cross multiply
    268,893.12x = 371,041.92 × 155,694.72
  4. Step 4: Simplify right side
    268,893.12x = 57,769,267,842.66
  5. Step 5: Solve for x
    x = 57,769,267,842.66/268,893.12
  6. Step 6: Final answer
    x = 214,841.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.