Home / 288,150.88-397,609.04-167,272.96

Finding the Fourth Proportional to 288,150.88, 397,609.04 and 167,272.96

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Solution

The fourth proportional to 288,150.88, 397,609.04 and 167,272.96 is: 230,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,150.88 : 397,609.04 = 167,272.96 : x
  2. Step 2: Convert to fraction form
    288,150.88/397,609.04 = 167,272.96/x
  3. Step 3: Cross multiply
    288,150.88x = 397,609.04 × 167,272.96
  4. Step 4: Simplify right side
    288,150.88x = 66,509,241,043.56
  5. Step 5: Solve for x
    x = 66,509,241,043.56/288,150.88
  6. Step 6: Final answer
    x = 230,813.94

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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.