Home / 231,331.60-346,997.40-213,446.80

Finding the Fourth Proportional to 231,331.60, 346,997.40 and 213,446.80

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Solution

The fourth proportional to 231,331.60, 346,997.40 and 213,446.80 is: 320,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,331.60 : 346,997.40 = 213,446.80 : x
  2. Step 2: Convert to fraction form
    231,331.60/346,997.40 = 213,446.80/x
  3. Step 3: Cross multiply
    231,331.60x = 346,997.40 × 213,446.80
  4. Step 4: Simplify right side
    231,331.60x = 74,065,484,638.32
  5. Step 5: Solve for x
    x = 74,065,484,638.32/231,331.60
  6. Step 6: Final answer
    x = 320,170.20

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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.