Home / 323,966.40-486,168.30-211,372.35

Finding the Fourth Proportional to 323,966.40, 486,168.30 and 211,372.35

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Solution

The fourth proportional to 323,966.40, 486,168.30 and 211,372.35 is: 317,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,966.40 : 486,168.30 = 211,372.35 : x
  2. Step 2: Convert to fraction form
    323,966.40/486,168.30 = 211,372.35/x
  3. Step 3: Cross multiply
    323,966.40x = 486,168.30 × 211,372.35
  4. Step 4: Simplify right side
    323,966.40x = 102,762,536,066.51
  5. Step 5: Solve for x
    x = 102,762,536,066.51/323,966.40
  6. Step 6: Final answer
    x = 317,201.22

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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.