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Finding the Fourth Proportional to 231,450.80, 346,860.90 and 141,525

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Solution

The fourth proportional to 231,450.80, 346,860.90 and 141,525 is: 212,094.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,450.80 : 346,860.90 = 141,525 : x
  2. Step 2: Convert to fraction form
    231,450.80/346,860.90 = 141,525/x
  3. Step 3: Cross multiply
    231,450.80x = 346,860.90 × 141,525
  4. Step 4: Simplify right side
    231,450.80x = 49,089,488,872.50
  5. Step 5: Solve for x
    x = 49,089,488,872.50/231,450.80
  6. Step 6: Final answer
    x = 212,094.71

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1.5x scale

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.