Home / 393,379.03-590,053.29-112,896.28

Finding the Fourth Proportional to 393,379.03, 590,053.29 and 112,896.28

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Solution

The fourth proportional to 393,379.03, 590,053.29 and 112,896.28 is: 169,340.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,379.03 : 590,053.29 = 112,896.28 : x
  2. Step 2: Convert to fraction form
    393,379.03/590,053.29 = 112,896.28/x
  3. Step 3: Cross multiply
    393,379.03x = 590,053.29 × 112,896.28
  4. Step 4: Simplify right side
    393,379.03x = 66,614,821,442.76
  5. Step 5: Solve for x
    x = 66,614,821,442.76/393,379.03
  6. Step 6: Final answer
    x = 169,340.04

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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.