Home / 319,826.22-480,311.12-306,968.66

Finding the Fourth Proportional to 319,826.22, 480,311.12 and 306,968.66

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Solution

The fourth proportional to 319,826.22, 480,311.12 and 306,968.66 is: 461,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,826.22 : 480,311.12 = 306,968.66 : x
  2. Step 2: Convert to fraction form
    319,826.22/480,311.12 = 306,968.66/x
  3. Step 3: Cross multiply
    319,826.22x = 480,311.12 × 306,968.66
  4. Step 4: Simplify right side
    319,826.22x = 147,440,460,889.50
  5. Step 5: Solve for x
    x = 147,440,460,889.50/319,826.22
  6. Step 6: Final answer
    x = 461,001.79

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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.