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Finding the Fourth Proportional to 272,095.18, 408,143.63 and 82,557.11

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Solution

The fourth proportional to 272,095.18, 408,143.63 and 82,557.11 is: 123,835.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,095.18 : 408,143.63 = 82,557.11 : x
  2. Step 2: Convert to fraction form
    272,095.18/408,143.63 = 82,557.11/x
  3. Step 3: Cross multiply
    272,095.18x = 408,143.63 × 82,557.11
  4. Step 4: Simplify right side
    272,095.18x = 33,695,160,440.22
  5. Step 5: Solve for x
    x = 33,695,160,440.22/272,095.18
  6. Step 6: Final answer
    x = 123,835.93

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.