Home / 305,897.20-458,845.80-227,165.20

Finding the Fourth Proportional to 305,897.20, 458,845.80 and 227,165.20

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Solution

The fourth proportional to 305,897.20, 458,845.80 and 227,165.20 is: 340,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,897.20 : 458,845.80 = 227,165.20 : x
  2. Step 2: Convert to fraction form
    305,897.20/458,845.80 = 227,165.20/x
  3. Step 3: Cross multiply
    305,897.20x = 458,845.80 × 227,165.20
  4. Step 4: Simplify right side
    305,897.20x = 104,233,797,926.16
  5. Step 5: Solve for x
    x = 104,233,797,926.16/305,897.20
  6. Step 6: Final answer
    x = 340,747.80

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1.5x scale

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.