Home / 411,736.51-617,654.58-145,442.53

Finding the Fourth Proportional to 411,736.51, 617,654.58 and 145,442.53

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Solution

The fourth proportional to 411,736.51, 617,654.58 and 145,442.53 is: 218,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,736.51 : 617,654.58 = 145,442.53 : x
  2. Step 2: Convert to fraction form
    411,736.51/617,654.58 = 145,442.53/x
  3. Step 3: Cross multiply
    411,736.51x = 617,654.58 × 145,442.53
  4. Step 4: Simplify right side
    411,736.51x = 89,833,243,237.15
  5. Step 5: Solve for x
    x = 89,833,243,237.15/411,736.51
  6. Step 6: Final answer
    x = 218,181.39

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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.