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Finding the Fourth Proportional to 332,187.45, 498,288.87 and 118,969.98

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Solution

The fourth proportional to 332,187.45, 498,288.87 and 118,969.98 is: 178,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,187.45 : 498,288.87 = 118,969.98 : x
  2. Step 2: Convert to fraction form
    332,187.45/498,288.87 = 118,969.98/x
  3. Step 3: Cross multiply
    332,187.45x = 498,288.87 × 118,969.98
  4. Step 4: Simplify right side
    332,187.45x = 59,281,416,898.12
  5. Step 5: Solve for x
    x = 59,281,416,898.12/332,187.45
  6. Step 6: Final answer
    x = 178,457.73

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Why These Related Problems?

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