Home / 345,827.20-518,740.80-227,729.20

Finding the Fourth Proportional to 345,827.20, 518,740.80 and 227,729.20

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Solution

The fourth proportional to 345,827.20, 518,740.80 and 227,729.20 is: 341,593.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,827.20 : 518,740.80 = 227,729.20 : x
  2. Step 2: Convert to fraction form
    345,827.20/518,740.80 = 227,729.20/x
  3. Step 3: Cross multiply
    345,827.20x = 518,740.80 × 227,729.20
  4. Step 4: Simplify right side
    345,827.20x = 118,132,427,391.36
  5. Step 5: Solve for x
    x = 118,132,427,391.36/345,827.20
  6. Step 6: Final answer
    x = 341,593.80

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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.