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Finding the Fourth Proportional to 547,678.59, 821,611.29 and 244,182.87

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Solution

The fourth proportional to 547,678.59, 821,611.29 and 244,182.87 is: 366,315.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,678.59 : 821,611.29 = 244,182.87 : x
  2. Step 2: Convert to fraction form
    547,678.59/821,611.29 = 244,182.87/x
  3. Step 3: Cross multiply
    547,678.59x = 821,611.29 × 244,182.87
  4. Step 4: Simplify right side
    547,678.59x = 200,623,402,816.60
  5. Step 5: Solve for x
    x = 200,623,402,816.60/547,678.59
  6. Step 6: Final answer
    x = 366,315.95

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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.