Home / 327,371.04-451,516.03-212,686.58

Finding the Fourth Proportional to 327,371.04, 451,516.03 and 212,686.58

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Solution

The fourth proportional to 327,371.04, 451,516.03 and 212,686.58 is: 293,341.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,371.04 : 451,516.03 = 212,686.58 : x
  2. Step 2: Convert to fraction form
    327,371.04/451,516.03 = 212,686.58/x
  3. Step 3: Cross multiply
    327,371.04x = 451,516.03 × 212,686.58
  4. Step 4: Simplify right side
    327,371.04x = 96,031,400,832.95
  5. Step 5: Solve for x
    x = 96,031,400,832.95/327,371.04
  6. Step 6: Final answer
    x = 293,341.16

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1.5x scale

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.