Home / 199,387.90-299,080.32-49,627.18

Finding the Fourth Proportional to 199,387.90, 299,080.32 and 49,627.18

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Solution

The fourth proportional to 199,387.90, 299,080.32 and 49,627.18 is: 74,440.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,387.90 : 299,080.32 = 49,627.18 : x
  2. Step 2: Convert to fraction form
    199,387.90/299,080.32 = 49,627.18/x
  3. Step 3: Cross multiply
    199,387.90x = 299,080.32 × 49,627.18
  4. Step 4: Simplify right side
    199,387.90x = 14,842,513,481.58
  5. Step 5: Solve for x
    x = 14,842,513,481.58/199,387.90
  6. Step 6: Final answer
    x = 74,440.39

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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.