Home / 290,287.36-400,593.04-162,959.68

Finding the Fourth Proportional to 290,287.36, 400,593.04 and 162,959.68

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Solution

The fourth proportional to 290,287.36, 400,593.04 and 162,959.68 is: 224,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,287.36 : 400,593.04 = 162,959.68 : x
  2. Step 2: Convert to fraction form
    290,287.36/400,593.04 = 162,959.68/x
  3. Step 3: Cross multiply
    290,287.36x = 400,593.04 × 162,959.68
  4. Step 4: Simplify right side
    290,287.36x = 65,280,513,608.63
  5. Step 5: Solve for x
    x = 65,280,513,608.63/290,287.36
  6. Step 6: Final answer
    x = 224,882.38

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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.