Home / 311,574.47-429,837.98-196,773.35

Finding the Fourth Proportional to 311,574.47, 429,837.98 and 196,773.35

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Solution

The fourth proportional to 311,574.47, 429,837.98 and 196,773.35 is: 271,462.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,574.47 : 429,837.98 = 196,773.35 : x
  2. Step 2: Convert to fraction form
    311,574.47/429,837.98 = 196,773.35/x
  3. Step 3: Cross multiply
    311,574.47x = 429,837.98 × 196,773.35
  4. Step 4: Simplify right side
    311,574.47x = 84,580,656,148.78
  5. Step 5: Solve for x
    x = 84,580,656,148.78/311,574.47
  6. Step 6: Final answer
    x = 271,462.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.