Home / 429,096.55-642,859.90-200,973.31

Finding the Fourth Proportional to 429,096.55, 642,859.90 and 200,973.31

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Solution

The fourth proportional to 429,096.55, 642,859.90 and 200,973.31 is: 301,092.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,096.55 : 642,859.90 = 200,973.31 : x
  2. Step 2: Convert to fraction form
    429,096.55/642,859.90 = 200,973.31/x
  3. Step 3: Cross multiply
    429,096.55x = 642,859.90 × 200,973.31
  4. Step 4: Simplify right side
    429,096.55x = 129,197,681,969.27
  5. Step 5: Solve for x
    x = 129,197,681,969.27/429,096.55
  6. Step 6: Final answer
    x = 301,092.33

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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.