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Finding the Fourth Proportional to 388,950, 583,523.55 and 108,467.25

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Solution

The fourth proportional to 388,950, 583,523.55 and 108,467.25 is: 162,728.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,950 : 583,523.55 = 108,467.25 : x
  2. Step 2: Convert to fraction form
    388,950/583,523.55 = 108,467.25/x
  3. Step 3: Cross multiply
    388,950x = 583,523.55 × 108,467.25
  4. Step 4: Simplify right side
    388,950x = 63,293,194,778.74
  5. Step 5: Solve for x
    x = 63,293,194,778.74/388,950
  6. Step 6: Final answer
    x = 162,728.36

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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.