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Finding the Fourth Proportional to 354,321.70, 531,555.45 and 117,834.10

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Solution

The fourth proportional to 354,321.70, 531,555.45 and 117,834.10 is: 176,775.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,321.70 : 531,555.45 = 117,834.10 : x
  2. Step 2: Convert to fraction form
    354,321.70/531,555.45 = 117,834.10/x
  3. Step 3: Cross multiply
    354,321.70x = 531,555.45 × 117,834.10
  4. Step 4: Simplify right side
    354,321.70x = 62,635,358,050.85
  5. Step 5: Solve for x
    x = 62,635,358,050.85/354,321.70
  6. Step 6: Final answer
    x = 176,775.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.