Home / 276,815.04-382,006.08-155,958.24

Finding the Fourth Proportional to 276,815.04, 382,006.08 and 155,958.24

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Solution

The fourth proportional to 276,815.04, 382,006.08 and 155,958.24 is: 215,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,815.04 : 382,006.08 = 155,958.24 : x
  2. Step 2: Convert to fraction form
    276,815.04/382,006.08 = 155,958.24/x
  3. Step 3: Cross multiply
    276,815.04x = 382,006.08 × 155,958.24
  4. Step 4: Simplify right side
    276,815.04x = 59,576,995,906.10
  5. Step 5: Solve for x
    x = 59,576,995,906.10/276,815.04
  6. Step 6: Final answer
    x = 215,223.12

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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.