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Finding the Fourth Proportional to 272,390.46, 408,459.44 and 101,566.32

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Solution

The fourth proportional to 272,390.46, 408,459.44 and 101,566.32 is: 152,302.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,390.46 : 408,459.44 = 101,566.32 : x
  2. Step 2: Convert to fraction form
    272,390.46/408,459.44 = 101,566.32/x
  3. Step 3: Cross multiply
    272,390.46x = 408,459.44 × 101,566.32
  4. Step 4: Simplify right side
    272,390.46x = 41,485,722,190.06
  5. Step 5: Solve for x
    x = 41,485,722,190.06/272,390.46
  6. Step 6: Final answer
    x = 152,302.41

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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.