Home / 407,022.27-610,626.45-140,782.56

Finding the Fourth Proportional to 407,022.27, 610,626.45 and 140,782.56

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Solution

The fourth proportional to 407,022.27, 610,626.45 and 140,782.56 is: 211,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,022.27 : 610,626.45 = 140,782.56 : x
  2. Step 2: Convert to fraction form
    407,022.27/610,626.45 = 140,782.56/x
  3. Step 3: Cross multiply
    407,022.27x = 610,626.45 × 140,782.56
  4. Step 4: Simplify right side
    407,022.27x = 85,965,554,834.71
  5. Step 5: Solve for x
    x = 85,965,554,834.71/407,022.27
  6. Step 6: Final answer
    x = 211,206.02

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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.