Home / 269,455.20-403,599.60-144,650.40

Finding the Fourth Proportional to 269,455.20, 403,599.60 and 144,650.40

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Solution

The fourth proportional to 269,455.20, 403,599.60 and 144,650.40 is: 216,662.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,455.20 : 403,599.60 = 144,650.40 : x
  2. Step 2: Convert to fraction form
    269,455.20/403,599.60 = 144,650.40/x
  3. Step 3: Cross multiply
    269,455.20x = 403,599.60 × 144,650.40
  4. Step 4: Simplify right side
    269,455.20x = 58,380,843,579.84
  5. Step 5: Solve for x
    x = 58,380,843,579.84/269,455.20
  6. Step 6: Final answer
    x = 216,662.52

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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.