Home / 499,551-749,129.26-199,975.74

Finding the Fourth Proportional to 499,551, 749,129.26 and 199,975.74

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Solution

The fourth proportional to 499,551, 749,129.26 and 199,975.74 is: 299,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,551 : 749,129.26 = 199,975.74 : x
  2. Step 2: Convert to fraction form
    499,551/749,129.26 = 199,975.74/x
  3. Step 3: Cross multiply
    499,551x = 749,129.26 × 199,975.74
  4. Step 4: Simplify right side
    499,551x = 149,807,678,124.15
  5. Step 5: Solve for x
    x = 149,807,678,124.15/499,551
  6. Step 6: Final answer
    x = 299,884.65

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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.