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Finding the Fourth Proportional to 356,265.73, 491,646.88 and 195,130.91

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Solution

The fourth proportional to 356,265.73, 491,646.88 and 195,130.91 is: 269,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,265.73 : 491,646.88 = 195,130.91 : x
  2. Step 2: Convert to fraction form
    356,265.73/491,646.88 = 195,130.91/x
  3. Step 3: Cross multiply
    356,265.73x = 491,646.88 × 195,130.91
  4. Step 4: Simplify right side
    356,265.73x = 95,935,503,093.06
  5. Step 5: Solve for x
    x = 95,935,503,093.06/356,265.73
  6. Step 6: Final answer
    x = 269,280.75

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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.