Home / 351,972.32-485,675.36-199,031.36

Finding the Fourth Proportional to 351,972.32, 485,675.36 and 199,031.36

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Solution

The fourth proportional to 351,972.32, 485,675.36 and 199,031.36 is: 274,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,972.32 : 485,675.36 = 199,031.36 : x
  2. Step 2: Convert to fraction form
    351,972.32/485,675.36 = 199,031.36/x
  3. Step 3: Cross multiply
    351,972.32x = 485,675.36 × 199,031.36
  4. Step 4: Simplify right side
    351,972.32x = 96,664,627,419.29
  5. Step 5: Solve for x
    x = 96,664,627,419.29/351,972.32
  6. Step 6: Final answer
    x = 274,637.02

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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.