Home / 225,377.73-311,011.65-123,401.34

Finding the Fourth Proportional to 225,377.73, 311,011.65 and 123,401.34

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Solution

The fourth proportional to 225,377.73, 311,011.65 and 123,401.34 is: 170,288.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,377.73 : 311,011.65 = 123,401.34 : x
  2. Step 2: Convert to fraction form
    225,377.73/311,011.65 = 123,401.34/x
  3. Step 3: Cross multiply
    225,377.73x = 311,011.65 × 123,401.34
  4. Step 4: Simplify right side
    225,377.73x = 38,379,254,365.61
  5. Step 5: Solve for x
    x = 38,379,254,365.61/225,377.73
  6. Step 6: Final answer
    x = 170,288.58

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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.