Home / 341,979.36-471,930.96-189,029.28

Finding the Fourth Proportional to 341,979.36, 471,930.96 and 189,029.28

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Solution

The fourth proportional to 341,979.36, 471,930.96 and 189,029.28 is: 260,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,979.36 : 471,930.96 = 189,029.28 : x
  2. Step 2: Convert to fraction form
    341,979.36/471,930.96 = 189,029.28/x
  3. Step 3: Cross multiply
    341,979.36x = 471,930.96 × 189,029.28
  4. Step 4: Simplify right side
    341,979.36x = 89,208,769,578.51
  5. Step 5: Solve for x
    x = 89,208,769,578.51/341,979.36
  6. Step 6: Final answer
    x = 260,860.10

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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.