Home / 658,106.35-987,242.57-225,908.03

Finding the Fourth Proportional to 658,106.35, 987,242.57 and 225,908.03

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Solution

The fourth proportional to 658,106.35, 987,242.57 and 225,908.03 is: 338,890.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,106.35 : 987,242.57 = 225,908.03 : x
  2. Step 2: Convert to fraction form
    658,106.35/987,242.57 = 225,908.03/x
  3. Step 3: Cross multiply
    658,106.35x = 987,242.57 × 225,908.03
  4. Step 4: Simplify right side
    658,106.35x = 223,026,027,577.29
  5. Step 5: Solve for x
    x = 223,026,027,577.29/658,106.35
  6. Step 6: Final answer
    x = 338,890.56

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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.