Home / 372,719.40-514,338.72-227,767.56

Finding the Fourth Proportional to 372,719.40, 514,338.72 and 227,767.56

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Solution

The fourth proportional to 372,719.40, 514,338.72 and 227,767.56 is: 314,310.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,719.40 : 514,338.72 = 227,767.56 : x
  2. Step 2: Convert to fraction form
    372,719.40/514,338.72 = 227,767.56/x
  3. Step 3: Cross multiply
    372,719.40x = 514,338.72 × 227,767.56
  4. Step 4: Simplify right side
    372,719.40x = 117,149,675,267.92
  5. Step 5: Solve for x
    x = 117,149,675,267.92/372,719.40
  6. Step 6: Final answer
    x = 314,310.65

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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.