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Finding the Fourth Proportional to 408,879.24, 564,240.79 and 227,586.51

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Solution

The fourth proportional to 408,879.24, 564,240.79 and 227,586.51 is: 314,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,879.24 : 564,240.79 = 227,586.51 : x
  2. Step 2: Convert to fraction form
    408,879.24/564,240.79 = 227,586.51/x
  3. Step 3: Cross multiply
    408,879.24x = 564,240.79 × 227,586.51
  4. Step 4: Simplify right side
    408,879.24x = 128,413,590,785.14
  5. Step 5: Solve for x
    x = 128,413,590,785.14/408,879.24
  6. Step 6: Final answer
    x = 314,062.39

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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.