Home / 306,049.20-458,621.82-148,089.48

Finding the Fourth Proportional to 306,049.20, 458,621.82 and 148,089.48

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Solution

The fourth proportional to 306,049.20, 458,621.82 and 148,089.48 is: 221,915.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,049.20 : 458,621.82 = 148,089.48 : x
  2. Step 2: Convert to fraction form
    306,049.20/458,621.82 = 148,089.48/x
  3. Step 3: Cross multiply
    306,049.20x = 458,621.82 × 148,089.48
  4. Step 4: Simplify right side
    306,049.20x = 67,917,066,840.45
  5. Step 5: Solve for x
    x = 67,917,066,840.45/306,049.20
  6. Step 6: Final answer
    x = 221,915.52

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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.