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Finding the Fourth Proportional to 276,101.29, 380,928.13 and 225,026.19

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Solution

The fourth proportional to 276,101.29, 380,928.13 and 225,026.19 is: 310,461.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,101.29 : 380,928.13 = 225,026.19 : x
  2. Step 2: Convert to fraction form
    276,101.29/380,928.13 = 225,026.19/x
  3. Step 3: Cross multiply
    276,101.29x = 380,928.13 × 225,026.19
  4. Step 4: Simplify right side
    276,101.29x = 85,718,805,195.16
  5. Step 5: Solve for x
    x = 85,718,805,195.16/276,101.29
  6. Step 6: Final answer
    x = 310,461.44

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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.