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Finding the Fourth Proportional to 342,599.02, 472,730.25 and 215,183.86

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Solution

The fourth proportional to 342,599.02, 472,730.25 and 215,183.86 is: 296,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,599.02 : 472,730.25 = 215,183.86 : x
  2. Step 2: Convert to fraction form
    342,599.02/472,730.25 = 215,183.86/x
  3. Step 3: Cross multiply
    342,599.02x = 472,730.25 × 215,183.86
  4. Step 4: Simplify right side
    342,599.02x = 101,723,919,933.77
  5. Step 5: Solve for x
    x = 101,723,919,933.77/342,599.02
  6. Step 6: Final answer
    x = 296,918.30

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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.