Home / 426,175.58-639,367.50-141,865.58

Finding the Fourth Proportional to 426,175.58, 639,367.50 and 141,865.58

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Solution

The fourth proportional to 426,175.58, 639,367.50 and 141,865.58 is: 212,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,175.58 : 639,367.50 = 141,865.58 : x
  2. Step 2: Convert to fraction form
    426,175.58/639,367.50 = 141,865.58/x
  3. Step 3: Cross multiply
    426,175.58x = 639,367.50 × 141,865.58
  4. Step 4: Simplify right side
    426,175.58x = 90,704,237,314.48
  5. Step 5: Solve for x
    x = 90,704,237,314.48/426,175.58
  6. Step 6: Final answer
    x = 212,833.03

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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.