Home / 290,264.27-400,565.67-161,203.07

Finding the Fourth Proportional to 290,264.27, 400,565.67 and 161,203.07

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Solution

The fourth proportional to 290,264.27, 400,565.67 and 161,203.07 is: 222,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,264.27 : 400,565.67 = 161,203.07 : x
  2. Step 2: Convert to fraction form
    290,264.27/400,565.67 = 161,203.07/x
  3. Step 3: Cross multiply
    290,264.27x = 400,565.67 × 161,203.07
  4. Step 4: Simplify right side
    290,264.27x = 64,572,416,742.02
  5. Step 5: Solve for x
    x = 64,572,416,742.02/290,264.27
  6. Step 6: Final answer
    x = 222,460.79

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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.