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Finding the Fourth Proportional to 223,610.40, 334,832.40 and 213,112.80

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Solution

The fourth proportional to 223,610.40, 334,832.40 and 213,112.80 is: 319,113.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,610.40 : 334,832.40 = 213,112.80 : x
  2. Step 2: Convert to fraction form
    223,610.40/334,832.40 = 213,112.80/x
  3. Step 3: Cross multiply
    223,610.40x = 334,832.40 × 213,112.80
  4. Step 4: Simplify right side
    223,610.40x = 71,357,070,294.72
  5. Step 5: Solve for x
    x = 71,357,070,294.72/223,610.40
  6. Step 6: Final answer
    x = 319,113.38

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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.