Home / 419,624.92-629,986.06-249,157.72

Finding the Fourth Proportional to 419,624.92, 629,986.06 and 249,157.72

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Solution

The fourth proportional to 419,624.92, 629,986.06 and 249,157.72 is: 374,062.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,624.92 : 629,986.06 = 249,157.72 : x
  2. Step 2: Convert to fraction form
    419,624.92/629,986.06 = 249,157.72/x
  3. Step 3: Cross multiply
    419,624.92x = 629,986.06 × 249,157.72
  4. Step 4: Simplify right side
    419,624.92x = 156,965,890,341.38
  5. Step 5: Solve for x
    x = 156,965,890,341.38/419,624.92
  6. Step 6: Final answer
    x = 374,062.37

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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.