Home / 392,142.04-541,155.96-222,376.16

Finding the Fourth Proportional to 392,142.04, 541,155.96 and 222,376.16

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Solution

The fourth proportional to 392,142.04, 541,155.96 and 222,376.16 is: 306,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,142.04 : 541,155.96 = 222,376.16 : x
  2. Step 2: Convert to fraction form
    392,142.04/541,155.96 = 222,376.16/x
  3. Step 3: Cross multiply
    392,142.04x = 541,155.96 × 222,376.16
  4. Step 4: Simplify right side
    392,142.04x = 120,340,184,345.91
  5. Step 5: Solve for x
    x = 120,340,184,345.91/392,142.04
  6. Step 6: Final answer
    x = 306,879.07

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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.