Home / 231,505.28-348,993.09-216,074.12

Finding the Fourth Proportional to 231,505.28, 348,993.09 and 216,074.12

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Solution

The fourth proportional to 231,505.28, 348,993.09 and 216,074.12 is: 325,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,505.28 : 348,993.09 = 216,074.12 : x
  2. Step 2: Convert to fraction form
    231,505.28/348,993.09 = 216,074.12/x
  3. Step 3: Cross multiply
    231,505.28x = 348,993.09 × 216,074.12
  4. Step 4: Simplify right side
    231,505.28x = 75,408,374,807.83
  5. Step 5: Solve for x
    x = 75,408,374,807.83/231,505.28
  6. Step 6: Final answer
    x = 325,730.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.