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Finding the Fourth Proportional to 208,956.25, 288,359.63 and 119,532.25

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Solution

The fourth proportional to 208,956.25, 288,359.63 and 119,532.25 is: 164,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,956.25 : 288,359.63 = 119,532.25 : x
  2. Step 2: Convert to fraction form
    208,956.25/288,359.63 = 119,532.25/x
  3. Step 3: Cross multiply
    208,956.25x = 288,359.63 × 119,532.25
  4. Step 4: Simplify right side
    208,956.25x = 34,468,275,383.07
  5. Step 5: Solve for x
    x = 34,468,275,383.07/208,956.25
  6. Step 6: Final answer
    x = 164,954.51

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1.5x scale

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.