Home / 376,867.20-565,738.20-227,276.40

Finding the Fourth Proportional to 376,867.20, 565,738.20 and 227,276.40

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Solution

The fourth proportional to 376,867.20, 565,738.20 and 227,276.40 is: 341,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,867.20 : 565,738.20 = 227,276.40 : x
  2. Step 2: Convert to fraction form
    376,867.20/565,738.20 = 227,276.40/x
  3. Step 3: Cross multiply
    376,867.20x = 565,738.20 × 227,276.40
  4. Step 4: Simplify right side
    376,867.20x = 128,578,941,438.48
  5. Step 5: Solve for x
    x = 128,578,941,438.48/376,867.20
  6. Step 6: Final answer
    x = 341,178.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.