Home / 308,290.30-462,155.20-118,629.67

Finding the Fourth Proportional to 308,290.30, 462,155.20 and 118,629.67

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Solution

The fourth proportional to 308,290.30, 462,155.20 and 118,629.67 is: 177,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,290.30 : 462,155.20 = 118,629.67 : x
  2. Step 2: Convert to fraction form
    308,290.30/462,155.20 = 118,629.67/x
  3. Step 3: Cross multiply
    308,290.30x = 462,155.20 × 118,629.67
  4. Step 4: Simplify right side
    308,290.30x = 54,825,318,864.78
  5. Step 5: Solve for x
    x = 54,825,318,864.78/308,290.30
  6. Step 6: Final answer
    x = 177,836.67

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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.