Home / 240,403.90-331,653.12-144,856.30

Finding the Fourth Proportional to 240,403.90, 331,653.12 and 144,856.30

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Solution

The fourth proportional to 240,403.90, 331,653.12 and 144,856.30 is: 199,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,403.90 : 331,653.12 = 144,856.30 : x
  2. Step 2: Convert to fraction form
    240,403.90/331,653.12 = 144,856.30/x
  3. Step 3: Cross multiply
    240,403.90x = 331,653.12 × 144,856.30
  4. Step 4: Simplify right side
    240,403.90x = 48,042,043,846.66
  5. Step 5: Solve for x
    x = 48,042,043,846.66/240,403.90
  6. Step 6: Final answer
    x = 199,838.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.