Home / 315,067.05-434,781.63-179,106.66

Finding the Fourth Proportional to 315,067.05, 434,781.63 and 179,106.66

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Solution

The fourth proportional to 315,067.05, 434,781.63 and 179,106.66 is: 247,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,067.05 : 434,781.63 = 179,106.66 : x
  2. Step 2: Convert to fraction form
    315,067.05/434,781.63 = 179,106.66/x
  3. Step 3: Cross multiply
    315,067.05x = 434,781.63 × 179,106.66
  4. Step 4: Simplify right side
    315,067.05x = 77,872,285,578.66
  5. Step 5: Solve for x
    x = 77,872,285,578.66/315,067.05
  6. Step 6: Final answer
    x = 247,161.00

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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.