Home / 379,853.28-568,907.52-189,730.08

Finding the Fourth Proportional to 379,853.28, 568,907.52 and 189,730.08

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Solution

The fourth proportional to 379,853.28, 568,907.52 and 189,730.08 is: 284,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,853.28 : 568,907.52 = 189,730.08 : x
  2. Step 2: Convert to fraction form
    379,853.28/568,907.52 = 189,730.08/x
  3. Step 3: Cross multiply
    379,853.28x = 568,907.52 × 189,730.08
  4. Step 4: Simplify right side
    379,853.28x = 107,938,869,282.20
  5. Step 5: Solve for x
    x = 107,938,869,282.20/379,853.28
  6. Step 6: Final answer
    x = 284,159.37

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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.