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Finding the Fourth Proportional to 409,122.08, 613,776.06 and 124,838.04

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Solution

The fourth proportional to 409,122.08, 613,776.06 and 124,838.04 is: 187,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,122.08 : 613,776.06 = 124,838.04 : x
  2. Step 2: Convert to fraction form
    409,122.08/613,776.06 = 124,838.04/x
  3. Step 3: Cross multiply
    409,122.08x = 613,776.06 × 124,838.04
  4. Step 4: Simplify right side
    409,122.08x = 76,622,600,329.32
  5. Step 5: Solve for x
    x = 76,622,600,329.32/409,122.08
  6. Step 6: Final answer
    x = 187,285.42

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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.