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Finding the Fourth Proportional to 159,468.94, 239,226.75 and 58,272

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Solution

The fourth proportional to 159,468.94, 239,226.75 and 58,272 is: 87,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,468.94 : 239,226.75 = 58,272 : x
  2. Step 2: Convert to fraction form
    159,468.94/239,226.75 = 58,272/x
  3. Step 3: Cross multiply
    159,468.94x = 239,226.75 × 58,272
  4. Step 4: Simplify right side
    159,468.94x = 13,940,221,176
  5. Step 5: Solve for x
    x = 13,940,221,176/159,468.94
  6. Step 6: Final answer
    x = 87,416.53

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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.