Home / 281,390.16-422,312.82-218,060.10

Finding the Fourth Proportional to 281,390.16, 422,312.82 and 218,060.10

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Solution

The fourth proportional to 281,390.16, 422,312.82 and 218,060.10 is: 327,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,390.16 : 422,312.82 = 218,060.10 : x
  2. Step 2: Convert to fraction form
    281,390.16/422,312.82 = 218,060.10/x
  3. Step 3: Cross multiply
    281,390.16x = 422,312.82 × 218,060.10
  4. Step 4: Simplify right side
    281,390.16x = 92,089,575,760.48
  5. Step 5: Solve for x
    x = 92,089,575,760.48/281,390.16
  6. Step 6: Final answer
    x = 327,266.51

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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.