Home / 231,808.60-347,943.30-113,613.40

Finding the Fourth Proportional to 231,808.60, 347,943.30 and 113,613.40

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Solution

The fourth proportional to 231,808.60, 347,943.30 and 113,613.40 is: 170,533.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,808.60 : 347,943.30 = 113,613.40 : x
  2. Step 2: Convert to fraction form
    231,808.60/347,943.30 = 113,613.40/x
  3. Step 3: Cross multiply
    231,808.60x = 347,943.30 × 113,613.40
  4. Step 4: Simplify right side
    231,808.60x = 39,531,021,320.22
  5. Step 5: Solve for x
    x = 39,531,021,320.22/231,808.60
  6. Step 6: Final answer
    x = 170,533.02

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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.