Home / 213,860.82-321,206.41-157,478.25

Finding the Fourth Proportional to 213,860.82, 321,206.41 and 157,478.25

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Solution

The fourth proportional to 213,860.82, 321,206.41 and 157,478.25 is: 236,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,860.82 : 321,206.41 = 157,478.25 : x
  2. Step 2: Convert to fraction form
    213,860.82/321,206.41 = 157,478.25/x
  3. Step 3: Cross multiply
    213,860.82x = 321,206.41 × 157,478.25
  4. Step 4: Simplify right side
    213,860.82x = 50,583,023,066.38
  5. Step 5: Solve for x
    x = 50,583,023,066.38/213,860.82
  6. Step 6: Final answer
    x = 236,523.10

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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.