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Finding the Fourth Proportional to 227,468.65, 341,246.73 and 87,216.34

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Solution

The fourth proportional to 227,468.65, 341,246.73 and 87,216.34 is: 130,841.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,468.65 : 341,246.73 = 87,216.34 : x
  2. Step 2: Convert to fraction form
    227,468.65/341,246.73 = 87,216.34/x
  3. Step 3: Cross multiply
    227,468.65x = 341,246.73 × 87,216.34
  4. Step 4: Simplify right side
    227,468.65x = 29,762,290,827.57
  5. Step 5: Solve for x
    x = 29,762,290,827.57/227,468.65
  6. Step 6: Final answer
    x = 130,841.29

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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.