Home / 378,234.28-567,434.45-112,015.63

Finding the Fourth Proportional to 378,234.28, 567,434.45 and 112,015.63

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Solution

The fourth proportional to 378,234.28, 567,434.45 and 112,015.63 is: 168,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,234.28 : 567,434.45 = 112,015.63 : x
  2. Step 2: Convert to fraction form
    378,234.28/567,434.45 = 112,015.63/x
  3. Step 3: Cross multiply
    378,234.28x = 567,434.45 × 112,015.63
  4. Step 4: Simplify right side
    378,234.28x = 63,561,527,400.45
  5. Step 5: Solve for x
    x = 63,561,527,400.45/378,234.28
  6. Step 6: Final answer
    x = 168,048.03

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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.