Home / 432,579.24-648,930.60-133,084.80

Finding the Fourth Proportional to 432,579.24, 648,930.60 and 133,084.80

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Solution

The fourth proportional to 432,579.24, 648,930.60 and 133,084.80 is: 199,646.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,579.24 : 648,930.60 = 133,084.80 : x
  2. Step 2: Convert to fraction form
    432,579.24/648,930.60 = 133,084.80/x
  3. Step 3: Cross multiply
    432,579.24x = 648,930.60 × 133,084.80
  4. Step 4: Simplify right side
    432,579.24x = 86,362,799,114.88
  5. Step 5: Solve for x
    x = 86,362,799,114.88/432,579.24
  6. Step 6: Final answer
    x = 199,646.19

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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.