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Finding the Fourth Proportional to 167,515.20, 233,996.40 and 167,515.20

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Solution

The fourth proportional to 167,515.20, 233,996.40 and 167,515.20 is: 233,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,515.20 : 233,996.40 = 167,515.20 : x
  2. Step 2: Convert to fraction form
    167,515.20/233,996.40 = 167,515.20/x
  3. Step 3: Cross multiply
    167,515.20x = 233,996.40 × 167,515.20
  4. Step 4: Simplify right side
    167,515.20x = 39,197,953,745.28
  5. Step 5: Solve for x
    x = 39,197,953,745.28/167,515.20
  6. Step 6: Final answer
    x = 233,996.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.