Home / 231,560.40-347,340.60-156,716.40

Finding the Fourth Proportional to 231,560.40, 347,340.60 and 156,716.40

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Solution

The fourth proportional to 231,560.40, 347,340.60 and 156,716.40 is: 235,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,560.40 : 347,340.60 = 156,716.40 : x
  2. Step 2: Convert to fraction form
    231,560.40/347,340.60 = 156,716.40/x
  3. Step 3: Cross multiply
    231,560.40x = 347,340.60 × 156,716.40
  4. Step 4: Simplify right side
    231,560.40x = 54,433,968,405.84
  5. Step 5: Solve for x
    x = 54,433,968,405.84/231,560.40
  6. Step 6: Final answer
    x = 235,074.60

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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.