Home / 199,401.12-298,717.80-157,057.20

Finding the Fourth Proportional to 199,401.12, 298,717.80 and 157,057.20

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Solution

The fourth proportional to 199,401.12, 298,717.80 and 157,057.20 is: 235,283.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,401.12 : 298,717.80 = 157,057.20 : x
  2. Step 2: Convert to fraction form
    199,401.12/298,717.80 = 157,057.20/x
  3. Step 3: Cross multiply
    199,401.12x = 298,717.80 × 157,057.20
  4. Step 4: Simplify right side
    199,401.12x = 46,915,781,258.16
  5. Step 5: Solve for x
    x = 46,915,781,258.16/199,401.12
  6. Step 6: Final answer
    x = 235,283.44

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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.