Home / 319,162.21-478,742.43-94,540.15

Finding the Fourth Proportional to 319,162.21, 478,742.43 and 94,540.15

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Solution

The fourth proportional to 319,162.21, 478,742.43 and 94,540.15 is: 141,809.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,162.21 : 478,742.43 = 94,540.15 : x
  2. Step 2: Convert to fraction form
    319,162.21/478,742.43 = 94,540.15/x
  3. Step 3: Cross multiply
    319,162.21x = 478,742.43 × 94,540.15
  4. Step 4: Simplify right side
    319,162.21x = 45,260,383,442.98
  5. Step 5: Solve for x
    x = 45,260,383,442.98/319,162.21
  6. Step 6: Final answer
    x = 141,809.97

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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.