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Finding the Fourth Proportional to 342,410.36, 472,691.03 and 227,879.60

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Solution

The fourth proportional to 342,410.36, 472,691.03 and 227,879.60 is: 314,583.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,410.36 : 472,691.03 = 227,879.60 : x
  2. Step 2: Convert to fraction form
    342,410.36/472,691.03 = 227,879.60/x
  3. Step 3: Cross multiply
    342,410.36x = 472,691.03 × 227,879.60
  4. Step 4: Simplify right side
    342,410.36x = 107,716,639,337.14
  5. Step 5: Solve for x
    x = 107,716,639,337.14/342,410.36
  6. Step 6: Final answer
    x = 314,583.47

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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.