Home / 234,278.28-351,439.02-76,507.56

Finding the Fourth Proportional to 234,278.28, 351,439.02 and 76,507.56

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Solution

The fourth proportional to 234,278.28, 351,439.02 and 76,507.56 is: 114,768.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,278.28 : 351,439.02 = 76,507.56 : x
  2. Step 2: Convert to fraction form
    234,278.28/351,439.02 = 76,507.56/x
  3. Step 3: Cross multiply
    234,278.28x = 351,439.02 × 76,507.56
  4. Step 4: Simplify right side
    234,278.28x = 26,887,741,908.99
  5. Step 5: Solve for x
    x = 26,887,741,908.99/234,278.28
  6. Step 6: Final answer
    x = 114,768.39

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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.