Home / 276,823.56-382,017.83-155,966.77

Finding the Fourth Proportional to 276,823.56, 382,017.83 and 155,966.77

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Solution

The fourth proportional to 276,823.56, 382,017.83 and 155,966.77 is: 215,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,823.56 : 382,017.83 = 155,966.77 : x
  2. Step 2: Convert to fraction form
    276,823.56/382,017.83 = 155,966.77/x
  3. Step 3: Cross multiply
    276,823.56x = 382,017.83 × 155,966.77
  4. Step 4: Simplify right side
    276,823.56x = 59,582,087,027.51
  5. Step 5: Solve for x
    x = 59,582,087,027.51/276,823.56
  6. Step 6: Final answer
    x = 215,234.88

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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.