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Finding the Fourth Proportional to 356,357.37, 491,774.73 and 195,208.95

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Solution

The fourth proportional to 356,357.37, 491,774.73 and 195,208.95 is: 269,389.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,357.37 : 491,774.73 = 195,208.95 : x
  2. Step 2: Convert to fraction form
    356,357.37/491,774.73 = 195,208.95/x
  3. Step 3: Cross multiply
    356,357.37x = 491,774.73 × 195,208.95
  4. Step 4: Simplify right side
    356,357.37x = 95,998,828,679.83
  5. Step 5: Solve for x
    x = 95,998,828,679.83/356,357.37
  6. Step 6: Final answer
    x = 269,389.21

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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.