Home / 276,818.12-382,010.26-155,961.26

Finding the Fourth Proportional to 276,818.12, 382,010.26 and 155,961.26

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Solution

The fourth proportional to 276,818.12, 382,010.26 and 155,961.26 is: 215,227.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,818.12 : 382,010.26 = 155,961.26 : x
  2. Step 2: Convert to fraction form
    276,818.12/382,010.26 = 155,961.26/x
  3. Step 3: Cross multiply
    276,818.12x = 382,010.26 × 155,961.26
  4. Step 4: Simplify right side
    276,818.12x = 59,578,801,482.53
  5. Step 5: Solve for x
    x = 59,578,801,482.53/276,818.12
  6. Step 6: Final answer
    x = 215,227.25

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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.