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Finding the Fourth Proportional to 115,588, 159,511.62 and 62,596

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Solution

The fourth proportional to 115,588, 159,511.62 and 62,596 is: 86,382.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,588 : 159,511.62 = 62,596 : x
  2. Step 2: Convert to fraction form
    115,588/159,511.62 = 62,596/x
  3. Step 3: Cross multiply
    115,588x = 159,511.62 × 62,596
  4. Step 4: Simplify right side
    115,588x = 9,984,789,365.52
  5. Step 5: Solve for x
    x = 9,984,789,365.52/115,588
  6. Step 6: Final answer
    x = 86,382.58

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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.