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Finding the Fourth Proportional to 485,150.76, 727,692.03 and 181,486.98

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Solution

The fourth proportional to 485,150.76, 727,692.03 and 181,486.98 is: 272,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,150.76 : 727,692.03 = 181,486.98 : x
  2. Step 2: Convert to fraction form
    485,150.76/727,692.03 = 181,486.98/x
  3. Step 3: Cross multiply
    485,150.76x = 727,692.03 × 181,486.98
  4. Step 4: Simplify right side
    485,150.76x = 132,066,628,894.77
  5. Step 5: Solve for x
    x = 132,066,628,894.77/485,150.76
  6. Step 6: Final answer
    x = 272,217.71

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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.