Home / 380,022.82-524,423.39-207,940.12

Finding the Fourth Proportional to 380,022.82, 524,423.39 and 207,940.12

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Solution

The fourth proportional to 380,022.82, 524,423.39 and 207,940.12 is: 286,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,022.82 : 524,423.39 = 207,940.12 : x
  2. Step 2: Convert to fraction form
    380,022.82/524,423.39 = 207,940.12/x
  3. Step 3: Cross multiply
    380,022.82x = 524,423.39 × 207,940.12
  4. Step 4: Simplify right side
    380,022.82x = 109,048,660,296.65
  5. Step 5: Solve for x
    x = 109,048,660,296.65/380,022.82
  6. Step 6: Final answer
    x = 286,952.93

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1.5x scale

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.