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Finding the Fourth Proportional to 356,911.76, 492,552.02 and 195,773.60

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Solution

The fourth proportional to 356,911.76, 492,552.02 and 195,773.60 is: 270,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,911.76 : 492,552.02 = 195,773.60 : x
  2. Step 2: Convert to fraction form
    356,911.76/492,552.02 = 195,773.60/x
  3. Step 3: Cross multiply
    356,911.76x = 492,552.02 × 195,773.60
  4. Step 4: Simplify right side
    356,911.76x = 96,428,682,142.67
  5. Step 5: Solve for x
    x = 96,428,682,142.67/356,911.76
  6. Step 6: Final answer
    x = 270,175.13

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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.