Home / 305,734.41-458,102.25-185,828.04

Finding the Fourth Proportional to 305,734.41, 458,102.25 and 185,828.04

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Solution

The fourth proportional to 305,734.41, 458,102.25 and 185,828.04 is: 278,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,734.41 : 458,102.25 = 185,828.04 : x
  2. Step 2: Convert to fraction form
    305,734.41/458,102.25 = 185,828.04/x
  3. Step 3: Cross multiply
    305,734.41x = 458,102.25 × 185,828.04
  4. Step 4: Simplify right side
    305,734.41x = 85,128,243,237.09
  5. Step 5: Solve for x
    x = 85,128,243,237.09/305,734.41
  6. Step 6: Final answer
    x = 278,438.54

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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.