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Finding the Fourth Proportional to 291,287.92, 402,101.48 and 195,850.24

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Solution

The fourth proportional to 291,287.92, 402,101.48 and 195,850.24 is: 270,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,287.92 : 402,101.48 = 195,850.24 : x
  2. Step 2: Convert to fraction form
    291,287.92/402,101.48 = 195,850.24/x
  3. Step 3: Cross multiply
    291,287.92x = 402,101.48 × 195,850.24
  4. Step 4: Simplify right side
    291,287.92x = 78,751,671,362.36
  5. Step 5: Solve for x
    x = 78,751,671,362.36/291,287.92
  6. Step 6: Final answer
    x = 270,356.80

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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.