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Finding the Fourth Proportional to 348,452.15, 480,805.67 and 205,240.70

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Solution

The fourth proportional to 348,452.15, 480,805.67 and 205,240.70 is: 283,197.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,452.15 : 480,805.67 = 205,240.70 : x
  2. Step 2: Convert to fraction form
    348,452.15/480,805.67 = 205,240.70/x
  3. Step 3: Cross multiply
    348,452.15x = 480,805.67 × 205,240.70
  4. Step 4: Simplify right side
    348,452.15x = 98,680,892,274.77
  5. Step 5: Solve for x
    x = 98,680,892,274.77/348,452.15
  6. Step 6: Final answer
    x = 283,197.83

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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.