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Finding the Fourth Proportional to 468,951.03, 647,185.26 and 265,020.80

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Solution

The fourth proportional to 468,951.03, 647,185.26 and 265,020.80 is: 365,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,951.03 : 647,185.26 = 265,020.80 : x
  2. Step 2: Convert to fraction form
    468,951.03/647,185.26 = 265,020.80/x
  3. Step 3: Cross multiply
    468,951.03x = 647,185.26 × 265,020.80
  4. Step 4: Simplify right side
    468,951.03x = 171,517,552,117.48
  5. Step 5: Solve for x
    x = 171,517,552,117.48/468,951.03
  6. Step 6: Final answer
    x = 365,747.26

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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.