Home / 217,832.40-326,748.60-154,846.80

Finding the Fourth Proportional to 217,832.40, 326,748.60 and 154,846.80

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Solution

The fourth proportional to 217,832.40, 326,748.60 and 154,846.80 is: 232,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,832.40 : 326,748.60 = 154,846.80 : x
  2. Step 2: Convert to fraction form
    217,832.40/326,748.60 = 154,846.80/x
  3. Step 3: Cross multiply
    217,832.40x = 326,748.60 × 154,846.80
  4. Step 4: Simplify right side
    217,832.40x = 50,595,975,114.48
  5. Step 5: Solve for x
    x = 50,595,975,114.48/217,832.40
  6. Step 6: Final answer
    x = 232,270.20

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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.