Home / 276,854.24-382,066.80-155,996.96

Finding the Fourth Proportional to 276,854.24, 382,066.80 and 155,996.96

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Solution

The fourth proportional to 276,854.24, 382,066.80 and 155,996.96 is: 215,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,854.24 : 382,066.80 = 155,996.96 : x
  2. Step 2: Convert to fraction form
    276,854.24/382,066.80 = 155,996.96/x
  3. Step 3: Cross multiply
    276,854.24x = 382,066.80 × 155,996.96
  4. Step 4: Simplify right side
    276,854.24x = 59,601,259,316.93
  5. Step 5: Solve for x
    x = 59,601,259,316.93/276,854.24
  6. Step 6: Final answer
    x = 215,280.28

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1.5x scale

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.