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Finding the Fourth Proportional to 253,334.50, 349,449.32 and 167,294.28

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Solution

The fourth proportional to 253,334.50, 349,449.32 and 167,294.28 is: 230,765.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,334.50 : 349,449.32 = 167,294.28 : x
  2. Step 2: Convert to fraction form
    253,334.50/349,449.32 = 167,294.28/x
  3. Step 3: Cross multiply
    253,334.50x = 349,449.32 × 167,294.28
  4. Step 4: Simplify right side
    253,334.50x = 58,460,872,385.89
  5. Step 5: Solve for x
    x = 58,460,872,385.89/253,334.50
  6. Step 6: Final answer
    x = 230,765.54

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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.