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Finding the Fourth Proportional to 388,267.36, 535,726.26 and 227,090.92

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Solution

The fourth proportional to 388,267.36, 535,726.26 and 227,090.92 is: 313,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,267.36 : 535,726.26 = 227,090.92 : x
  2. Step 2: Convert to fraction form
    388,267.36/535,726.26 = 227,090.92/x
  3. Step 3: Cross multiply
    388,267.36x = 535,726.26 × 227,090.92
  4. Step 4: Simplify right side
    388,267.36x = 121,658,569,251.56
  5. Step 5: Solve for x
    x = 121,658,569,251.56/388,267.36
  6. Step 6: Final answer
    x = 313,337.10

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.