Home / 247,405.12-341,208.48-172,133.44

Finding the Fourth Proportional to 247,405.12, 341,208.48 and 172,133.44

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Solution

The fourth proportional to 247,405.12, 341,208.48 and 172,133.44 is: 237,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,405.12 : 341,208.48 = 172,133.44 : x
  2. Step 2: Convert to fraction form
    247,405.12/341,208.48 = 172,133.44/x
  3. Step 3: Cross multiply
    247,405.12x = 341,208.48 × 172,133.44
  4. Step 4: Simplify right side
    247,405.12x = 58,733,389,419.57
  5. Step 5: Solve for x
    x = 58,733,389,419.57/247,405.12
  6. Step 6: Final answer
    x = 237,397.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.