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Finding the Fourth Proportional to 159,215.68, 238,815.73 and 59,368.08

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Solution

The fourth proportional to 159,215.68, 238,815.73 and 59,368.08 is: 89,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,215.68 : 238,815.73 = 59,368.08 : x
  2. Step 2: Convert to fraction form
    159,215.68/238,815.73 = 59,368.08/x
  3. Step 3: Cross multiply
    159,215.68x = 238,815.73 × 59,368.08
  4. Step 4: Simplify right side
    159,215.68x = 14,178,032,333.67
  5. Step 5: Solve for x
    x = 14,178,032,333.67/159,215.68
  6. Step 6: Final answer
    x = 89,049.22

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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.