Home / 212,445.22-292,542.10-207,730.42

Finding the Fourth Proportional to 212,445.22, 292,542.10 and 207,730.42

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Solution

The fourth proportional to 212,445.22, 292,542.10 and 207,730.42 is: 286,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,445.22 : 292,542.10 = 207,730.42 : x
  2. Step 2: Convert to fraction form
    212,445.22/292,542.10 = 207,730.42/x
  3. Step 3: Cross multiply
    212,445.22x = 292,542.10 × 207,730.42
  4. Step 4: Simplify right side
    212,445.22x = 60,769,893,300.68
  5. Step 5: Solve for x
    x = 60,769,893,300.68/212,445.22
  6. Step 6: Final answer
    x = 286,049.71

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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.