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Finding the Fourth Proportional to 227,987.64, 342,018.22 and 70,216.04

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Solution

The fourth proportional to 227,987.64, 342,018.22 and 70,216.04 is: 105,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,987.64 : 342,018.22 = 70,216.04 : x
  2. Step 2: Convert to fraction form
    227,987.64/342,018.22 = 70,216.04/x
  3. Step 3: Cross multiply
    227,987.64x = 342,018.22 × 70,216.04
  4. Step 4: Simplify right side
    227,987.64x = 24,015,165,016.25
  5. Step 5: Solve for x
    x = 24,015,165,016.25/227,987.64
  6. Step 6: Final answer
    x = 105,335.38

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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.