Home / 436,233.20-654,349.80-268,271.60

Finding the Fourth Proportional to 436,233.20, 654,349.80 and 268,271.60

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Solution

The fourth proportional to 436,233.20, 654,349.80 and 268,271.60 is: 402,407.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,233.20 : 654,349.80 = 268,271.60 : x
  2. Step 2: Convert to fraction form
    436,233.20/654,349.80 = 268,271.60/x
  3. Step 3: Cross multiply
    436,233.20x = 654,349.80 × 268,271.60
  4. Step 4: Simplify right side
    436,233.20x = 175,543,467,805.68
  5. Step 5: Solve for x
    x = 175,543,467,805.68/436,233.20
  6. Step 6: Final answer
    x = 402,407.40

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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.