Home / 231,024.29-318,451.84-212,465.36

Finding the Fourth Proportional to 231,024.29, 318,451.84 and 212,465.36

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Solution

The fourth proportional to 231,024.29, 318,451.84 and 212,465.36 is: 292,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,024.29 : 318,451.84 = 212,465.36 : x
  2. Step 2: Convert to fraction form
    231,024.29/318,451.84 = 212,465.36/x
  3. Step 3: Cross multiply
    231,024.29x = 318,451.84 × 212,465.36
  4. Step 4: Simplify right side
    231,024.29x = 67,659,985,093.23
  5. Step 5: Solve for x
    x = 67,659,985,093.23/231,024.29
  6. Step 6: Final answer
    x = 292,869.58

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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.