Home / 411,736.26-617,654.20-145,442.28

Finding the Fourth Proportional to 411,736.26, 617,654.20 and 145,442.28

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Solution

The fourth proportional to 411,736.26, 617,654.20 and 145,442.28 is: 218,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,736.26 : 617,654.20 = 145,442.28 : x
  2. Step 2: Convert to fraction form
    411,736.26/617,654.20 = 145,442.28/x
  3. Step 3: Cross multiply
    411,736.26x = 617,654.20 × 145,442.28
  4. Step 4: Simplify right side
    411,736.26x = 89,833,035,099.58
  5. Step 5: Solve for x
    x = 89,833,035,099.58/411,736.26
  6. Step 6: Final answer
    x = 218,181.01

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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.