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Finding the Fourth Proportional to 225,841.71, 310,879.35 and 195,200.85

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Solution

The fourth proportional to 225,841.71, 310,879.35 and 195,200.85 is: 268,701.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,841.71 : 310,879.35 = 195,200.85 : x
  2. Step 2: Convert to fraction form
    225,841.71/310,879.35 = 195,200.85/x
  3. Step 3: Cross multiply
    225,841.71x = 310,879.35 × 195,200.85
  4. Step 4: Simplify right side
    225,841.71x = 60,683,913,367.45
  5. Step 5: Solve for x
    x = 60,683,913,367.45/225,841.71
  6. Step 6: Final answer
    x = 268,701.09

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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.