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Finding the Fourth Proportional to 425,181.42, 637,334.61 and 188,635.50

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Solution

The fourth proportional to 425,181.42, 637,334.61 and 188,635.50 is: 282,759.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,181.42 : 637,334.61 = 188,635.50 : x
  2. Step 2: Convert to fraction form
    425,181.42/637,334.61 = 188,635.50/x
  3. Step 3: Cross multiply
    425,181.42x = 637,334.61 × 188,635.50
  4. Step 4: Simplify right side
    425,181.42x = 120,223,932,824.66
  5. Step 5: Solve for x
    x = 120,223,932,824.66/425,181.42
  6. Step 6: Final answer
    x = 282,759.14

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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.