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Finding the Fourth Proportional to 229,521.80, 344,282.01 and 61,041.98

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Solution

The fourth proportional to 229,521.80, 344,282.01 and 61,041.98 is: 91,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,521.80 : 344,282.01 = 61,041.98 : x
  2. Step 2: Convert to fraction form
    229,521.80/344,282.01 = 61,041.98/x
  3. Step 3: Cross multiply
    229,521.80x = 344,282.01 × 61,041.98
  4. Step 4: Simplify right side
    229,521.80x = 21,015,653,847.37
  5. Step 5: Solve for x
    x = 21,015,653,847.37/229,521.80
  6. Step 6: Final answer
    x = 91,562.78

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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.