Home / 451,388.04-677,084.48-135,842.80

Finding the Fourth Proportional to 451,388.04, 677,084.48 and 135,842.80

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Solution

The fourth proportional to 451,388.04, 677,084.48 and 135,842.80 is: 203,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,388.04 : 677,084.48 = 135,842.80 : x
  2. Step 2: Convert to fraction form
    451,388.04/677,084.48 = 135,842.80/x
  3. Step 3: Cross multiply
    451,388.04x = 677,084.48 × 135,842.80
  4. Step 4: Simplify right side
    451,388.04x = 91,977,051,599.74
  5. Step 5: Solve for x
    x = 91,977,051,599.74/451,388.04
  6. Step 6: Final answer
    x = 203,764.93

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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.