Home / 547,258.10-820,969.23-192,209.54

Finding the Fourth Proportional to 547,258.10, 820,969.23 and 192,209.54

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Solution

The fourth proportional to 547,258.10, 820,969.23 and 192,209.54 is: 288,343.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,258.10 : 820,969.23 = 192,209.54 : x
  2. Step 2: Convert to fraction form
    547,258.10/820,969.23 = 192,209.54/x
  3. Step 3: Cross multiply
    547,258.10x = 820,969.23 × 192,209.54
  4. Step 4: Simplify right side
    547,258.10x = 157,798,118,052.45
  5. Step 5: Solve for x
    x = 157,798,118,052.45/547,258.10
  6. Step 6: Final answer
    x = 288,343.14

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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.