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Finding the Fourth Proportional to 250,265.62, 345,396.90 and 141,374.55

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Solution

The fourth proportional to 250,265.62, 345,396.90 and 141,374.55 is: 195,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,265.62 : 345,396.90 = 141,374.55 : x
  2. Step 2: Convert to fraction form
    250,265.62/345,396.90 = 141,374.55/x
  3. Step 3: Cross multiply
    250,265.62x = 345,396.90 × 141,374.55
  4. Step 4: Simplify right side
    250,265.62x = 48,830,329,468.82
  5. Step 5: Solve for x
    x = 48,830,329,468.82/250,265.62
  6. Step 6: Final answer
    x = 195,114.01

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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.