Home / 386,013.03-579,022.79-149,382.87

Finding the Fourth Proportional to 386,013.03, 579,022.79 and 149,382.87

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Solution

The fourth proportional to 386,013.03, 579,022.79 and 149,382.87 is: 224,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,013.03 : 579,022.79 = 149,382.87 : x
  2. Step 2: Convert to fraction form
    386,013.03/579,022.79 = 149,382.87/x
  3. Step 3: Cross multiply
    386,013.03x = 579,022.79 × 149,382.87
  4. Step 4: Simplify right side
    386,013.03x = 86,496,085,418.69
  5. Step 5: Solve for x
    x = 86,496,085,418.69/386,013.03
  6. Step 6: Final answer
    x = 224,075.56

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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.