Home / 339,387.49-509,296.02-189,726.22

Finding the Fourth Proportional to 339,387.49, 509,296.02 and 189,726.22

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Solution

The fourth proportional to 339,387.49, 509,296.02 and 189,726.22 is: 284,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,387.49 : 509,296.02 = 189,726.22 : x
  2. Step 2: Convert to fraction form
    339,387.49/509,296.02 = 189,726.22/x
  3. Step 3: Cross multiply
    339,387.49x = 509,296.02 × 189,726.22
  4. Step 4: Simplify right side
    339,387.49x = 96,626,808,735.64
  5. Step 5: Solve for x
    x = 96,626,808,735.64/339,387.49
  6. Step 6: Final answer
    x = 284,709.40

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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.