Home / 288,372.04-397,895.68-161,028.04

Finding the Fourth Proportional to 288,372.04, 397,895.68 and 161,028.04

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Solution

The fourth proportional to 288,372.04, 397,895.68 and 161,028.04 is: 222,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,372.04 : 397,895.68 = 161,028.04 : x
  2. Step 2: Convert to fraction form
    288,372.04/397,895.68 = 161,028.04/x
  3. Step 3: Cross multiply
    288,372.04x = 397,895.68 × 161,028.04
  4. Step 4: Simplify right side
    288,372.04x = 64,072,361,474.87
  5. Step 5: Solve for x
    x = 64,072,361,474.87/288,372.04
  6. Step 6: Final answer
    x = 222,186.46

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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.