Home / 555,191.12-833,129.31-218,172.60

Finding the Fourth Proportional to 555,191.12, 833,129.31 and 218,172.60

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Solution

The fourth proportional to 555,191.12, 833,129.31 and 218,172.60 is: 327,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,191.12 : 833,129.31 = 218,172.60 : x
  2. Step 2: Convert to fraction form
    555,191.12/833,129.31 = 218,172.60/x
  3. Step 3: Cross multiply
    555,191.12x = 833,129.31 × 218,172.60
  4. Step 4: Simplify right side
    555,191.12x = 181,765,987,698.91
  5. Step 5: Solve for x
    x = 181,765,987,698.91/555,191.12
  6. Step 6: Final answer
    x = 327,393.55

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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.