Home / 206,040.38-310,464.56-169,420.82

Finding the Fourth Proportional to 206,040.38, 310,464.56 and 169,420.82

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Solution

The fourth proportional to 206,040.38, 310,464.56 and 169,420.82 is: 255,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,040.38 : 310,464.56 = 169,420.82 : x
  2. Step 2: Convert to fraction form
    206,040.38/310,464.56 = 169,420.82/x
  3. Step 3: Cross multiply
    206,040.38x = 310,464.56 × 169,420.82
  4. Step 4: Simplify right side
    206,040.38x = 52,599,159,207.37
  5. Step 5: Solve for x
    x = 52,599,159,207.37/206,040.38
  6. Step 6: Final answer
    x = 255,285.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.