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Finding the Fourth Proportional to 237,203.20, 355,999.20 and 229,427.20

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Solution

The fourth proportional to 237,203.20, 355,999.20 and 229,427.20 is: 344,328.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,203.20 : 355,999.20 = 229,427.20 : x
  2. Step 2: Convert to fraction form
    237,203.20/355,999.20 = 229,427.20/x
  3. Step 3: Cross multiply
    237,203.20x = 355,999.20 × 229,427.20
  4. Step 4: Simplify right side
    237,203.20x = 81,675,899,658.24
  5. Step 5: Solve for x
    x = 81,675,899,658.24/237,203.20
  6. Step 6: Final answer
    x = 344,328.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.