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Finding the Fourth Proportional to 356,315.40, 491,715.46 and 195,173.14

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Solution

The fourth proportional to 356,315.40, 491,715.46 and 195,173.14 is: 269,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,315.40 : 491,715.46 = 195,173.14 : x
  2. Step 2: Convert to fraction form
    356,315.40/491,715.46 = 195,173.14/x
  3. Step 3: Cross multiply
    356,315.40x = 491,715.46 × 195,173.14
  4. Step 4: Simplify right side
    356,315.40x = 95,969,650,314.74
  5. Step 5: Solve for x
    x = 95,969,650,314.74/356,315.40
  6. Step 6: Final answer
    x = 269,339.05

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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.