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Finding the Fourth Proportional to 451,503.11, 677,268.95 and 167,264.80

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Solution

The fourth proportional to 451,503.11, 677,268.95 and 167,264.80 is: 250,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,503.11 : 677,268.95 = 167,264.80 : x
  2. Step 2: Convert to fraction form
    451,503.11/677,268.95 = 167,264.80/x
  3. Step 3: Cross multiply
    451,503.11x = 677,268.95 × 167,264.80
  4. Step 4: Simplify right side
    451,503.11x = 113,283,252,938.46
  5. Step 5: Solve for x
    x = 113,283,252,938.46/451,503.11
  6. Step 6: Final answer
    x = 250,902.49

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1.5x scale

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.