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Finding the Fourth Proportional to 208,383.03, 287,568.23 and 112,892.13

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Solution

The fourth proportional to 208,383.03, 287,568.23 and 112,892.13 is: 155,790.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,383.03 : 287,568.23 = 112,892.13 : x
  2. Step 2: Convert to fraction form
    208,383.03/287,568.23 = 112,892.13/x
  3. Step 3: Cross multiply
    208,383.03x = 287,568.23 × 112,892.13
  4. Step 4: Simplify right side
    208,383.03x = 32,464,189,440.57
  5. Step 5: Solve for x
    x = 32,464,189,440.57/208,383.03
  6. Step 6: Final answer
    x = 155,790.95

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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.