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Finding the Fourth Proportional to 243,478.44, 335,726.78 and 157,324.01

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Solution

The fourth proportional to 243,478.44, 335,726.78 and 157,324.01 is: 216,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,478.44 : 335,726.78 = 157,324.01 : x
  2. Step 2: Convert to fraction form
    243,478.44/335,726.78 = 157,324.01/x
  3. Step 3: Cross multiply
    243,478.44x = 335,726.78 × 157,324.01
  4. Step 4: Simplify right side
    243,478.44x = 52,817,880,828.73
  5. Step 5: Solve for x
    x = 52,817,880,828.73/243,478.44
  6. Step 6: Final answer
    x = 216,930.42

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