Home / 288,132.09-397,674.33-171,853.02

Finding the Fourth Proportional to 288,132.09, 397,674.33 and 171,853.02

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Solution

The fourth proportional to 288,132.09, 397,674.33 and 171,853.02 is: 237,188.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,132.09 : 397,674.33 = 171,853.02 : x
  2. Step 2: Convert to fraction form
    288,132.09/397,674.33 = 171,853.02/x
  3. Step 3: Cross multiply
    288,132.09x = 397,674.33 × 171,853.02
  4. Step 4: Simplify right side
    288,132.09x = 68,341,534,586.98
  5. Step 5: Solve for x
    x = 68,341,534,586.98/288,132.09
  6. Step 6: Final answer
    x = 237,188.21

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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.