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Finding the Fourth Proportional to 442,604.73, 663,566.81 and 229,143.81

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Solution

The fourth proportional to 442,604.73, 663,566.81 and 229,143.81 is: 343,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,604.73 : 663,566.81 = 229,143.81 : x
  2. Step 2: Convert to fraction form
    442,604.73/663,566.81 = 229,143.81/x
  3. Step 3: Cross multiply
    442,604.73x = 663,566.81 × 229,143.81
  4. Step 4: Simplify right side
    442,604.73x = 152,052,225,887.23
  5. Step 5: Solve for x
    x = 152,052,225,887.23/442,604.73
  6. Step 6: Final answer
    x = 343,539.54

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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.