Home / 315,171.36-434,957.04-179,217.96

Finding the Fourth Proportional to 315,171.36, 434,957.04 and 179,217.96

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Solution

The fourth proportional to 315,171.36, 434,957.04 and 179,217.96 is: 247,332.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,171.36 : 434,957.04 = 179,217.96 : x
  2. Step 2: Convert to fraction form
    315,171.36/434,957.04 = 179,217.96/x
  3. Step 3: Cross multiply
    315,171.36x = 434,957.04 × 179,217.96
  4. Step 4: Simplify right side
    315,171.36x = 77,952,113,396.44
  5. Step 5: Solve for x
    x = 77,952,113,396.44/315,171.36
  6. Step 6: Final answer
    x = 247,332.48

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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.