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Finding the Fourth Proportional to 158,960.62, 238,477.84 and 46,636.30

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Solution

The fourth proportional to 158,960.62, 238,477.84 and 46,636.30 is: 69,965.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,960.62 : 238,477.84 = 46,636.30 : x
  2. Step 2: Convert to fraction form
    158,960.62/238,477.84 = 46,636.30/x
  3. Step 3: Cross multiply
    158,960.62x = 238,477.84 × 46,636.30
  4. Step 4: Simplify right side
    158,960.62x = 11,121,724,089.59
  5. Step 5: Solve for x
    x = 11,121,724,089.59/158,960.62
  6. Step 6: Final answer
    x = 69,965.28

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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.