Home / 400,284.94-552,397.30-218,992.90

Finding the Fourth Proportional to 400,284.94, 552,397.30 and 218,992.90

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Solution

The fourth proportional to 400,284.94, 552,397.30 and 218,992.90 is: 302,212.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,284.94 : 552,397.30 = 218,992.90 : x
  2. Step 2: Convert to fraction form
    400,284.94/552,397.30 = 218,992.90/x
  3. Step 3: Cross multiply
    400,284.94x = 552,397.30 × 218,992.90
  4. Step 4: Simplify right side
    400,284.94x = 120,971,086,679.17
  5. Step 5: Solve for x
    x = 120,971,086,679.17/400,284.94
  6. Step 6: Final answer
    x = 302,212.44

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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.