Home / 197,228.16-295,813.08-72,540

Finding the Fourth Proportional to 197,228.16, 295,813.08 and 72,540

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Solution

The fourth proportional to 197,228.16, 295,813.08 and 72,540 is: 108,799.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,228.16 : 295,813.08 = 72,540 : x
  2. Step 2: Convert to fraction form
    197,228.16/295,813.08 = 72,540/x
  3. Step 3: Cross multiply
    197,228.16x = 295,813.08 × 72,540
  4. Step 4: Simplify right side
    197,228.16x = 21,458,280,823.20
  5. Step 5: Solve for x
    x = 21,458,280,823.20/197,228.16
  6. Step 6: Final answer
    x = 108,799.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.