Home / 547,130.58-821,081.31-192,172.26

Finding the Fourth Proportional to 547,130.58, 821,081.31 and 192,172.26

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Solution

The fourth proportional to 547,130.58, 821,081.31 and 192,172.26 is: 288,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,130.58 : 821,081.31 = 192,172.26 : x
  2. Step 2: Convert to fraction form
    547,130.58/821,081.31 = 192,172.26/x
  3. Step 3: Cross multiply
    547,130.58x = 821,081.31 × 192,172.26
  4. Step 4: Simplify right side
    547,130.58x = 157,789,050,986.46
  5. Step 5: Solve for x
    x = 157,789,050,986.46/547,130.58
  6. Step 6: Final answer
    x = 288,393.77

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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.