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Finding the Fourth Proportional to 305,693.00, 421,869.51 and 169,726.96

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Solution

The fourth proportional to 305,693.00, 421,869.51 and 169,726.96 is: 234,230.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,693.00 : 421,869.51 = 169,726.96 : x
  2. Step 2: Convert to fraction form
    305,693.00/421,869.51 = 169,726.96/x
  3. Step 3: Cross multiply
    305,693.00x = 421,869.51 × 169,726.96
  4. Step 4: Simplify right side
    305,693.00x = 71,602,628,394.32
  5. Step 5: Solve for x
    x = 71,602,628,394.32/305,693.00
  6. Step 6: Final answer
    x = 234,230.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.