Home / 394,041.07-591,002.83-109,701.91

Finding the Fourth Proportional to 394,041.07, 591,002.83 and 109,701.91

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Solution

The fourth proportional to 394,041.07, 591,002.83 and 109,701.91 is: 164,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,041.07 : 591,002.83 = 109,701.91 : x
  2. Step 2: Convert to fraction form
    394,041.07/591,002.83 = 109,701.91/x
  3. Step 3: Cross multiply
    394,041.07x = 591,002.83 × 109,701.91
  4. Step 4: Simplify right side
    394,041.07x = 64,834,139,266.41
  5. Step 5: Solve for x
    x = 64,834,139,266.41/394,041.07
  6. Step 6: Final answer
    x = 164,536.50

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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.