Home / 205,318.40-307,977.60-148,893.80

Finding the Fourth Proportional to 205,318.40, 307,977.60 and 148,893.80

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Solution

The fourth proportional to 205,318.40, 307,977.60 and 148,893.80 is: 223,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,318.40 : 307,977.60 = 148,893.80 : x
  2. Step 2: Convert to fraction form
    205,318.40/307,977.60 = 148,893.80/x
  3. Step 3: Cross multiply
    205,318.40x = 307,977.60 × 148,893.80
  4. Step 4: Simplify right side
    205,318.40x = 45,855,955,178.88
  5. Step 5: Solve for x
    x = 45,855,955,178.88/205,318.40
  6. Step 6: Final answer
    x = 223,340.70

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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.