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Finding the Fourth Proportional to 236,430.20, 354,645.30 and 229,869.20

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Solution

The fourth proportional to 236,430.20, 354,645.30 and 229,869.20 is: 344,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,430.20 : 354,645.30 = 229,869.20 : x
  2. Step 2: Convert to fraction form
    236,430.20/354,645.30 = 229,869.20/x
  3. Step 3: Cross multiply
    236,430.20x = 354,645.30 × 229,869.20
  4. Step 4: Simplify right side
    236,430.20x = 81,522,031,394.76
  5. Step 5: Solve for x
    x = 81,522,031,394.76/236,430.20
  6. Step 6: Final answer
    x = 344,803.80

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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.