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Finding the Fourth Proportional to 315,496.73, 435,395.10 and 179,550.23

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Solution

The fourth proportional to 315,496.73, 435,395.10 and 179,550.23 is: 247,784.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,496.73 : 435,395.10 = 179,550.23 : x
  2. Step 2: Convert to fraction form
    315,496.73/435,395.10 = 179,550.23/x
  3. Step 3: Cross multiply
    315,496.73x = 435,395.10 × 179,550.23
  4. Step 4: Simplify right side
    315,496.73x = 78,175,290,345.87
  5. Step 5: Solve for x
    x = 78,175,290,345.87/315,496.73
  6. Step 6: Final answer
    x = 247,784.79

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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.