Home / 226,031.40-339,047.10-85,782.60

Finding the Fourth Proportional to 226,031.40, 339,047.10 and 85,782.60

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Solution

The fourth proportional to 226,031.40, 339,047.10 and 85,782.60 is: 128,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,031.40 : 339,047.10 = 85,782.60 : x
  2. Step 2: Convert to fraction form
    226,031.40/339,047.10 = 85,782.60/x
  3. Step 3: Cross multiply
    226,031.40x = 339,047.10 × 85,782.60
  4. Step 4: Simplify right side
    226,031.40x = 29,084,341,760.46
  5. Step 5: Solve for x
    x = 29,084,341,760.46/226,031.40
  6. Step 6: Final answer
    x = 128,673.90

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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.