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Finding the Fourth Proportional to 159,228.82, 238,769.43 and 59,362.21

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Solution

The fourth proportional to 159,228.82, 238,769.43 and 59,362.21 is: 89,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,228.82 : 238,769.43 = 59,362.21 : x
  2. Step 2: Convert to fraction form
    159,228.82/238,769.43 = 59,362.21/x
  3. Step 3: Cross multiply
    159,228.82x = 238,769.43 × 59,362.21
  4. Step 4: Simplify right side
    159,228.82x = 14,173,881,045.24
  5. Step 5: Solve for x
    x = 14,173,881,045.24/159,228.82
  6. Step 6: Final answer
    x = 89,015.80

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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.