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Finding the Fourth Proportional to 348,033, 480,517.20 and 267,316.50

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Solution

The fourth proportional to 348,033, 480,517.20 and 267,316.50 is: 369,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,033 : 480,517.20 = 267,316.50 : x
  2. Step 2: Convert to fraction form
    348,033/480,517.20 = 267,316.50/x
  3. Step 3: Cross multiply
    348,033x = 480,517.20 × 267,316.50
  4. Step 4: Simplify right side
    348,033x = 128,450,176,093.80
  5. Step 5: Solve for x
    x = 128,450,176,093.80/348,033
  6. Step 6: Final answer
    x = 369,074.70

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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.