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Finding the Fourth Proportional to 342,937.85, 512,320.86 and 222,009.62

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Solution

The fourth proportional to 342,937.85, 512,320.86 and 222,009.62 is: 331,664.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,937.85 : 512,320.86 = 222,009.62 : x
  2. Step 2: Convert to fraction form
    342,937.85/512,320.86 = 222,009.62/x
  3. Step 3: Cross multiply
    342,937.85x = 512,320.86 × 222,009.62
  4. Step 4: Simplify right side
    342,937.85x = 113,740,156,885.07
  5. Step 5: Solve for x
    x = 113,740,156,885.07/342,937.85
  6. Step 6: Final answer
    x = 331,664.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.