Home / 305,774.60-458,273.10-272,337.80

Finding the Fourth Proportional to 305,774.60, 458,273.10 and 272,337.80

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Solution

The fourth proportional to 305,774.60, 458,273.10 and 272,337.80 is: 408,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,774.60 : 458,273.10 = 272,337.80 : x
  2. Step 2: Convert to fraction form
    305,774.60/458,273.10 = 272,337.80/x
  3. Step 3: Cross multiply
    305,774.60x = 458,273.10 × 272,337.80
  4. Step 4: Simplify right side
    305,774.60x = 124,805,087,853.18
  5. Step 5: Solve for x
    x = 124,805,087,853.18/305,774.60
  6. Step 6: Final answer
    x = 408,160.42

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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.