Home / 342,429.12-472,401.27-206,382.66

Finding the Fourth Proportional to 342,429.12, 472,401.27 and 206,382.66

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Solution

The fourth proportional to 342,429.12, 472,401.27 and 206,382.66 is: 284,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,429.12 : 472,401.27 = 206,382.66 : x
  2. Step 2: Convert to fraction form
    342,429.12/472,401.27 = 206,382.66/x
  3. Step 3: Cross multiply
    342,429.12x = 472,401.27 × 206,382.66
  4. Step 4: Simplify right side
    342,429.12x = 97,495,430,689.98
  5. Step 5: Solve for x
    x = 97,495,430,689.98/342,429.12
  6. Step 6: Final answer
    x = 284,717.11

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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.