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Finding the Fourth Proportional to 632,259.48, 948,406.50 and 211,520.28

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Solution

The fourth proportional to 632,259.48, 948,406.50 and 211,520.28 is: 317,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,259.48 : 948,406.50 = 211,520.28 : x
  2. Step 2: Convert to fraction form
    632,259.48/948,406.50 = 211,520.28/x
  3. Step 3: Cross multiply
    632,259.48x = 948,406.50 × 211,520.28
  4. Step 4: Simplify right side
    632,259.48x = 200,607,208,433.82
  5. Step 5: Solve for x
    x = 200,607,208,433.82/632,259.48
  6. Step 6: Final answer
    x = 317,286.20

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1.5x scale

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.