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Finding the Fourth Proportional to 227,721.08, 341,580.90 and 61,509.08

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Solution

The fourth proportional to 227,721.08, 341,580.90 and 61,509.08 is: 92,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,721.08 : 341,580.90 = 61,509.08 : x
  2. Step 2: Convert to fraction form
    227,721.08/341,580.90 = 61,509.08/x
  3. Step 3: Cross multiply
    227,721.08x = 341,580.90 × 61,509.08
  4. Step 4: Simplify right side
    227,721.08x = 21,010,326,904.57
  5. Step 5: Solve for x
    x = 21,010,326,904.57/227,721.08
  6. Step 6: Final answer
    x = 92,263.43

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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.