Home / 408,529.19-563,804.33-227,275.26

Finding the Fourth Proportional to 408,529.19, 563,804.33 and 227,275.26

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Solution

The fourth proportional to 408,529.19, 563,804.33 and 227,275.26 is: 313,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,529.19 : 563,804.33 = 227,275.26 : x
  2. Step 2: Convert to fraction form
    408,529.19/563,804.33 = 227,275.26/x
  3. Step 3: Cross multiply
    408,529.19x = 563,804.33 × 227,275.26
  4. Step 4: Simplify right side
    408,529.19x = 128,138,774,553.50
  5. Step 5: Solve for x
    x = 128,138,774,553.50/408,529.19
  6. Step 6: Final answer
    x = 313,658.80

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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.