Home / 212,449.74-318,685.20-60,669.34

Finding the Fourth Proportional to 212,449.74, 318,685.20 and 60,669.34

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Solution

The fourth proportional to 212,449.74, 318,685.20 and 60,669.34 is: 91,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,449.74 : 318,685.20 = 60,669.34 : x
  2. Step 2: Convert to fraction form
    212,449.74/318,685.20 = 60,669.34/x
  3. Step 3: Cross multiply
    212,449.74x = 318,685.20 × 60,669.34
  4. Step 4: Simplify right side
    212,449.74x = 19,334,420,751.77
  5. Step 5: Solve for x
    x = 19,334,420,751.77/212,449.74
  6. Step 6: Final answer
    x = 91,007.03

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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.