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Finding the Fourth Proportional to 253,227.90, 349,492.41 and 157,765.35

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Solution

The fourth proportional to 253,227.90, 349,492.41 and 157,765.35 is: 217,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,227.90 : 349,492.41 = 157,765.35 : x
  2. Step 2: Convert to fraction form
    253,227.90/349,492.41 = 157,765.35/x
  3. Step 3: Cross multiply
    253,227.90x = 349,492.41 × 157,765.35
  4. Step 4: Simplify right side
    253,227.90x = 55,137,792,385.99
  5. Step 5: Solve for x
    x = 55,137,792,385.99/253,227.90
  6. Step 6: Final answer
    x = 217,739.80

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