Home / 547,416.18-821,147.08-187,834.25

Finding the Fourth Proportional to 547,416.18, 821,147.08 and 187,834.25

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Solution

The fourth proportional to 547,416.18, 821,147.08 and 187,834.25 is: 281,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,416.18 : 821,147.08 = 187,834.25 : x
  2. Step 2: Convert to fraction form
    547,416.18/821,147.08 = 187,834.25/x
  3. Step 3: Cross multiply
    547,416.18x = 821,147.08 × 187,834.25
  4. Step 4: Simplify right side
    547,416.18x = 154,239,549,265.84
  5. Step 5: Solve for x
    x = 154,239,549,265.84/547,416.18
  6. Step 6: Final answer
    x = 281,759.21

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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.