Home / 231,945.80-347,918.70-158,217.80

Finding the Fourth Proportional to 231,945.80, 347,918.70 and 158,217.80

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Solution

The fourth proportional to 231,945.80, 347,918.70 and 158,217.80 is: 237,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,945.80 : 347,918.70 = 158,217.80 : x
  2. Step 2: Convert to fraction form
    231,945.80/347,918.70 = 158,217.80/x
  3. Step 3: Cross multiply
    231,945.80x = 347,918.70 × 158,217.80
  4. Step 4: Simplify right side
    231,945.80x = 55,046,931,292.86
  5. Step 5: Solve for x
    x = 55,046,931,292.86/231,945.80
  6. Step 6: Final answer
    x = 237,326.70

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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.