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Finding the Fourth Proportional to 227,026.68, 340,539.08 and 69,254.61

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Solution

The fourth proportional to 227,026.68, 340,539.08 and 69,254.61 is: 103,881.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,026.68 : 340,539.08 = 69,254.61 : x
  2. Step 2: Convert to fraction form
    227,026.68/340,539.08 = 69,254.61/x
  3. Step 3: Cross multiply
    227,026.68x = 340,539.08 × 69,254.61
  4. Step 4: Simplify right side
    227,026.68x = 23,583,900,828.89
  5. Step 5: Solve for x
    x = 23,583,900,828.89/227,026.68
  6. Step 6: Final answer
    x = 103,881.63

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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.