Home / 276,816.12-382,007.49-155,959.26

Finding the Fourth Proportional to 276,816.12, 382,007.49 and 155,959.26

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Solution

The fourth proportional to 276,816.12, 382,007.49 and 155,959.26 is: 215,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,816.12 : 382,007.49 = 155,959.26 : x
  2. Step 2: Convert to fraction form
    276,816.12/382,007.49 = 155,959.26/x
  3. Step 3: Cross multiply
    276,816.12x = 382,007.49 × 155,959.26
  4. Step 4: Simplify right side
    276,816.12x = 59,577,605,454.86
  5. Step 5: Solve for x
    x = 59,577,605,454.86/276,816.12
  6. Step 6: Final answer
    x = 215,224.48

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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.