Home / 231,946.40-347,919.60-172,897.40

Finding the Fourth Proportional to 231,946.40, 347,919.60 and 172,897.40

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Solution

The fourth proportional to 231,946.40, 347,919.60 and 172,897.40 is: 259,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,946.40 : 347,919.60 = 172,897.40 : x
  2. Step 2: Convert to fraction form
    231,946.40/347,919.60 = 172,897.40/x
  3. Step 3: Cross multiply
    231,946.40x = 347,919.60 × 172,897.40
  4. Step 4: Simplify right side
    231,946.40x = 60,154,394,249.04
  5. Step 5: Solve for x
    x = 60,154,394,249.04/231,946.40
  6. Step 6: Final answer
    x = 259,346.10

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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.