Home / 231,347.20-346,437.60-171,860.80

Finding the Fourth Proportional to 231,347.20, 346,437.60 and 171,860.80

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Solution

The fourth proportional to 231,347.20, 346,437.60 and 171,860.80 is: 257,357.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,347.20 : 346,437.60 = 171,860.80 : x
  2. Step 2: Convert to fraction form
    231,347.20/346,437.60 = 171,860.80/x
  3. Step 3: Cross multiply
    231,347.20x = 346,437.60 × 171,860.80
  4. Step 4: Simplify right side
    231,347.20x = 59,539,043,086.08
  5. Step 5: Solve for x
    x = 59,539,043,086.08/231,347.20
  6. Step 6: Final answer
    x = 257,357.96

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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.