Home / 356,853.32-492,422.10-205,998.92

Finding the Fourth Proportional to 356,853.32, 492,422.10 and 205,998.92

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Solution

The fourth proportional to 356,853.32, 492,422.10 and 205,998.92 is: 284,258.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,853.32 : 492,422.10 = 205,998.92 : x
  2. Step 2: Convert to fraction form
    356,853.32/492,422.10 = 205,998.92/x
  3. Step 3: Cross multiply
    356,853.32x = 492,422.10 × 205,998.92
  4. Step 4: Simplify right side
    356,853.32x = 101,438,420,784.13
  5. Step 5: Solve for x
    x = 101,438,420,784.13/356,853.32
  6. Step 6: Final answer
    x = 284,258.03

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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.