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Finding the Fourth Proportional to 340,310.76, 510,447.50 and 103,633.62

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Solution

The fourth proportional to 340,310.76, 510,447.50 and 103,633.62 is: 155,444.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,310.76 : 510,447.50 = 103,633.62 : x
  2. Step 2: Convert to fraction form
    340,310.76/510,447.50 = 103,633.62/x
  3. Step 3: Cross multiply
    340,310.76x = 510,447.50 × 103,633.62
  4. Step 4: Simplify right side
    340,310.76x = 52,899,522,244.95
  5. Step 5: Solve for x
    x = 52,899,522,244.95/340,310.76
  6. Step 6: Final answer
    x = 155,444.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.