Home / 288,149.60-397,669.20-167,328.79

Finding the Fourth Proportional to 288,149.60, 397,669.20 and 167,328.79

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Solution

The fourth proportional to 288,149.60, 397,669.20 and 167,328.79 is: 230,926.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,149.60 : 397,669.20 = 167,328.79 : x
  2. Step 2: Convert to fraction form
    288,149.60/397,669.20 = 167,328.79/x
  3. Step 3: Cross multiply
    288,149.60x = 397,669.20 × 167,328.79
  4. Step 4: Simplify right side
    288,149.60x = 66,541,504,434.61
  5. Step 5: Solve for x
    x = 66,541,504,434.61/288,149.60
  6. Step 6: Final answer
    x = 230,926.93

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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.