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Finding the Fourth Proportional to 486,525.89, 729,957.31 and 202,369.79

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Solution

The fourth proportional to 486,525.89, 729,957.31 and 202,369.79 is: 303,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,525.89 : 729,957.31 = 202,369.79 : x
  2. Step 2: Convert to fraction form
    486,525.89/729,957.31 = 202,369.79/x
  3. Step 3: Cross multiply
    486,525.89x = 729,957.31 × 202,369.79
  4. Step 4: Simplify right side
    486,525.89x = 147,721,303,377.95
  5. Step 5: Solve for x
    x = 147,721,303,377.95/486,525.89
  6. Step 6: Final answer
    x = 303,624.76

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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.