Home / 342,042.22-472,151.46-306,170.14

Finding the Fourth Proportional to 342,042.22, 472,151.46 and 306,170.14

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Solution

The fourth proportional to 342,042.22, 472,151.46 and 306,170.14 is: 422,634.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,042.22 : 472,151.46 = 306,170.14 : x
  2. Step 2: Convert to fraction form
    342,042.22/472,151.46 = 306,170.14/x
  3. Step 3: Cross multiply
    342,042.22x = 472,151.46 × 306,170.14
  4. Step 4: Simplify right side
    342,042.22x = 144,558,678,609.40
  5. Step 5: Solve for x
    x = 144,558,678,609.40/342,042.22
  6. Step 6: Final answer
    x = 422,634.02

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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.