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Finding the Fourth Proportional to 243,327.65, 365,026.40 and 74,862.12

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Solution

The fourth proportional to 243,327.65, 365,026.40 and 74,862.12 is: 112,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,327.65 : 365,026.40 = 74,862.12 : x
  2. Step 2: Convert to fraction form
    243,327.65/365,026.40 = 74,862.12/x
  3. Step 3: Cross multiply
    243,327.65x = 365,026.40 × 74,862.12
  4. Step 4: Simplify right side
    243,327.65x = 27,326,649,785.66
  5. Step 5: Solve for x
    x = 27,326,649,785.66/243,327.65
  6. Step 6: Final answer
    x = 112,303.93

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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.