Home / 276,822.56-382,016.45-155,965.77

Finding the Fourth Proportional to 276,822.56, 382,016.45 and 155,965.77

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Solution

The fourth proportional to 276,822.56, 382,016.45 and 155,965.77 is: 215,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,822.56 : 382,016.45 = 155,965.77 : x
  2. Step 2: Convert to fraction form
    276,822.56/382,016.45 = 155,965.77/x
  3. Step 3: Cross multiply
    276,822.56x = 382,016.45 × 155,965.77
  4. Step 4: Simplify right side
    276,822.56x = 59,581,490,166.83
  5. Step 5: Solve for x
    x = 59,581,490,166.83/276,822.56
  6. Step 6: Final answer
    x = 215,233.50

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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.