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Finding the Fourth Proportional to 253,301.75, 349,404.12 and 167,261.52

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Solution

The fourth proportional to 253,301.75, 349,404.12 and 167,261.52 is: 230,720.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,301.75 : 349,404.12 = 167,261.52 : x
  2. Step 2: Convert to fraction form
    253,301.75/349,404.12 = 167,261.52/x
  3. Step 3: Cross multiply
    253,301.75x = 349,404.12 × 167,261.52
  4. Step 4: Simplify right side
    253,301.75x = 58,441,864,205.46
  5. Step 5: Solve for x
    x = 58,441,864,205.46/253,301.75
  6. Step 6: Final answer
    x = 230,720.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.