Home / 276,540.94-380,822.88-240,225.76

Finding the Fourth Proportional to 276,540.94, 380,822.88 and 240,225.76

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Solution

The fourth proportional to 276,540.94, 380,822.88 and 240,225.76 is: 330,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,540.94 : 380,822.88 = 240,225.76 : x
  2. Step 2: Convert to fraction form
    276,540.94/380,822.88 = 240,225.76/x
  3. Step 3: Cross multiply
    276,540.94x = 380,822.88 × 240,225.76
  4. Step 4: Simplify right side
    276,540.94x = 91,483,465,773.39
  5. Step 5: Solve for x
    x = 91,483,465,773.39/276,540.94
  6. Step 6: Final answer
    x = 330,813.46

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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.