Home / 290,329.20-400,643.96-163,010.16

Finding the Fourth Proportional to 290,329.20, 400,643.96 and 163,010.16

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Solution

The fourth proportional to 290,329.20, 400,643.96 and 163,010.16 is: 224,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,329.20 : 400,643.96 = 163,010.16 : x
  2. Step 2: Convert to fraction form
    290,329.20/400,643.96 = 163,010.16/x
  3. Step 3: Cross multiply
    290,329.20x = 400,643.96 × 163,010.16
  4. Step 4: Simplify right side
    290,329.20x = 65,309,034,426.94
  5. Step 5: Solve for x
    x = 65,309,034,426.94/290,329.20
  6. Step 6: Final answer
    x = 224,948.22

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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.