Home / 392,031.36-541,002.96-213,183.36

Finding the Fourth Proportional to 392,031.36, 541,002.96 and 213,183.36

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Solution

The fourth proportional to 392,031.36, 541,002.96 and 213,183.36 is: 294,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,031.36 : 541,002.96 = 213,183.36 : x
  2. Step 2: Convert to fraction form
    392,031.36/541,002.96 = 213,183.36/x
  3. Step 3: Cross multiply
    392,031.36x = 541,002.96 × 213,183.36
  4. Step 4: Simplify right side
    392,031.36x = 115,332,828,782.75
  5. Step 5: Solve for x
    x = 115,332,828,782.75/392,031.36
  6. Step 6: Final answer
    x = 294,192.86

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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.