Home / 215,971.80-323,577.18-192,488.28

Finding the Fourth Proportional to 215,971.80, 323,577.18 and 192,488.28

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Solution

The fourth proportional to 215,971.80, 323,577.18 and 192,488.28 is: 288,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,971.80 : 323,577.18 = 192,488.28 : x
  2. Step 2: Convert to fraction form
    215,971.80/323,577.18 = 192,488.28/x
  3. Step 3: Cross multiply
    215,971.80x = 323,577.18 × 192,488.28
  4. Step 4: Simplify right side
    215,971.80x = 62,284,814,825.45
  5. Step 5: Solve for x
    x = 62,284,814,825.45/215,971.80
  6. Step 6: Final answer
    x = 288,393.28

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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.