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Finding the Fourth Proportional to 548,035.80, 822,168.72 and 232,485.72

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Solution

The fourth proportional to 548,035.80, 822,168.72 and 232,485.72 is: 348,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,035.80 : 822,168.72 = 232,485.72 : x
  2. Step 2: Convert to fraction form
    548,035.80/822,168.72 = 232,485.72/x
  3. Step 3: Cross multiply
    548,035.80x = 822,168.72 × 232,485.72
  4. Step 4: Simplify right side
    548,035.80x = 191,142,486,830.68
  5. Step 5: Solve for x
    x = 191,142,486,830.68/548,035.80
  6. Step 6: Final answer
    x = 348,777.37

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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.