Home / 315,083.39-434,852.43-179,137.85

Finding the Fourth Proportional to 315,083.39, 434,852.43 and 179,137.85

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Solution

The fourth proportional to 315,083.39, 434,852.43 and 179,137.85 is: 247,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,083.39 : 434,852.43 = 179,137.85 : x
  2. Step 2: Convert to fraction form
    315,083.39/434,852.43 = 179,137.85/x
  3. Step 3: Cross multiply
    315,083.39x = 434,852.43 × 179,137.85
  4. Step 4: Simplify right side
    315,083.39x = 77,898,527,203.21
  5. Step 5: Solve for x
    x = 77,898,527,203.21/315,083.39
  6. Step 6: Final answer
    x = 247,231.47

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1.5x scale

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.