Home / 231,743.80-347,615.70-164,821.60

Finding the Fourth Proportional to 231,743.80, 347,615.70 and 164,821.60

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Solution

The fourth proportional to 231,743.80, 347,615.70 and 164,821.60 is: 247,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,743.80 : 347,615.70 = 164,821.60 : x
  2. Step 2: Convert to fraction form
    231,743.80/347,615.70 = 164,821.60/x
  3. Step 3: Cross multiply
    231,743.80x = 347,615.70 × 164,821.60
  4. Step 4: Simplify right side
    231,743.80x = 57,294,575,859.12
  5. Step 5: Solve for x
    x = 57,294,575,859.12/231,743.80
  6. Step 6: Final answer
    x = 247,232.40

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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.