Home / 290,324.04-400,641.24-162,999.60

Finding the Fourth Proportional to 290,324.04, 400,641.24 and 162,999.60

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Solution

The fourth proportional to 290,324.04, 400,641.24 and 162,999.60 is: 224,936.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,324.04 : 400,641.24 = 162,999.60 : x
  2. Step 2: Convert to fraction form
    290,324.04/400,641.24 = 162,999.60/x
  3. Step 3: Cross multiply
    290,324.04x = 400,641.24 × 162,999.60
  4. Step 4: Simplify right side
    290,324.04x = 65,304,361,863.50
  5. Step 5: Solve for x
    x = 65,304,361,863.50/290,324.04
  6. Step 6: Final answer
    x = 224,936.12

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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.