Home / 303,621.40-455,723.70-154,030.60

Finding the Fourth Proportional to 303,621.40, 455,723.70 and 154,030.60

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Solution

The fourth proportional to 303,621.40, 455,723.70 and 154,030.60 is: 231,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,621.40 : 455,723.70 = 154,030.60 : x
  2. Step 2: Convert to fraction form
    303,621.40/455,723.70 = 154,030.60/x
  3. Step 3: Cross multiply
    303,621.40x = 455,723.70 × 154,030.60
  4. Step 4: Simplify right side
    303,621.40x = 70,195,394,945.22
  5. Step 5: Solve for x
    x = 70,195,394,945.22/303,621.40
  6. Step 6: Final answer
    x = 231,193.83

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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.