Home / 348,979.41-481,468.95-228,191.40

Finding the Fourth Proportional to 348,979.41, 481,468.95 and 228,191.40

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Solution

The fourth proportional to 348,979.41, 481,468.95 and 228,191.40 is: 314,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,979.41 : 481,468.95 = 228,191.40 : x
  2. Step 2: Convert to fraction form
    348,979.41/481,468.95 = 228,191.40/x
  3. Step 3: Cross multiply
    348,979.41x = 481,468.95 × 228,191.40
  4. Step 4: Simplify right side
    348,979.41x = 109,867,073,757.03
  5. Step 5: Solve for x
    x = 109,867,073,757.03/348,979.41
  6. Step 6: Final answer
    x = 314,823.94

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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.