Home / 436,239.76-654,636.12-225,877.36

Finding the Fourth Proportional to 436,239.76, 654,636.12 and 225,877.36

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Solution

The fourth proportional to 436,239.76, 654,636.12 and 225,877.36 is: 338,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,239.76 : 654,636.12 = 225,877.36 : x
  2. Step 2: Convert to fraction form
    436,239.76/654,636.12 = 225,877.36/x
  3. Step 3: Cross multiply
    436,239.76x = 654,636.12 × 225,877.36
  4. Step 4: Simplify right side
    436,239.76x = 147,867,478,546.24
  5. Step 5: Solve for x
    x = 147,867,478,546.24/436,239.76
  6. Step 6: Final answer
    x = 338,959.20

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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.