Home / 436,087.80-654,549.30-225,876.60

Finding the Fourth Proportional to 436,087.80, 654,549.30 and 225,876.60

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Solution

The fourth proportional to 436,087.80, 654,549.30 and 225,876.60 is: 339,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,087.80 : 654,549.30 = 225,876.60 : x
  2. Step 2: Convert to fraction form
    436,087.80/654,549.30 = 225,876.60/x
  3. Step 3: Cross multiply
    436,087.80x = 654,549.30 × 225,876.60
  4. Step 4: Simplify right side
    436,087.80x = 147,847,370,416.38
  5. Step 5: Solve for x
    x = 147,847,370,416.38/436,087.80
  6. Step 6: Final answer
    x = 339,031.20

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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.