Home / 643,849.44-965,945.92-223,124.96

Finding the Fourth Proportional to 643,849.44, 965,945.92 and 223,124.96

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Solution

The fourth proportional to 643,849.44, 965,945.92 and 223,124.96 is: 334,746.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,849.44 : 965,945.92 = 223,124.96 : x
  2. Step 2: Convert to fraction form
    643,849.44/965,945.92 = 223,124.96/x
  3. Step 3: Cross multiply
    643,849.44x = 965,945.92 × 223,124.96
  4. Step 4: Simplify right side
    643,849.44x = 215,526,644,762.16
  5. Step 5: Solve for x
    x = 215,526,644,762.16/643,849.44
  6. Step 6: Final answer
    x = 334,746.96

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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.