Home / 394,320.05-544,161.95-213,031.91

Finding the Fourth Proportional to 394,320.05, 544,161.95 and 213,031.91

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Solution

The fourth proportional to 394,320.05, 544,161.95 and 213,031.91 is: 293,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,320.05 : 544,161.95 = 213,031.91 : x
  2. Step 2: Convert to fraction form
    394,320.05/544,161.95 = 213,031.91/x
  3. Step 3: Cross multiply
    394,320.05x = 544,161.95 × 213,031.91
  4. Step 4: Simplify right side
    394,320.05x = 115,923,855,771.86
  5. Step 5: Solve for x
    x = 115,923,855,771.86/394,320.05
  6. Step 6: Final answer
    x = 293,984.18

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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.