Home / 268,889.04-371,066.80-149,685.20

Finding the Fourth Proportional to 268,889.04, 371,066.80 and 149,685.20

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Solution

The fourth proportional to 268,889.04, 371,066.80 and 149,685.20 is: 206,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,889.04 : 371,066.80 = 149,685.20 : x
  2. Step 2: Convert to fraction form
    268,889.04/371,066.80 = 149,685.20/x
  3. Step 3: Cross multiply
    268,889.04x = 371,066.80 × 149,685.20
  4. Step 4: Simplify right side
    268,889.04x = 55,543,208,171.36
  5. Step 5: Solve for x
    x = 55,543,208,171.36/268,889.04
  6. Step 6: Final answer
    x = 206,565.53

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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.