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Finding the Fourth Proportional to 203,501.71, 280,850.12 and 118,616.95

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Solution

The fourth proportional to 203,501.71, 280,850.12 and 118,616.95 is: 163,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,501.71 : 280,850.12 = 118,616.95 : x
  2. Step 2: Convert to fraction form
    203,501.71/280,850.12 = 118,616.95/x
  3. Step 3: Cross multiply
    203,501.71x = 280,850.12 × 118,616.95
  4. Step 4: Simplify right side
    203,501.71x = 33,313,584,641.53
  5. Step 5: Solve for x
    x = 33,313,584,641.53/203,501.71
  6. Step 6: Final answer
    x = 163,701.74

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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.