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Finding the Fourth Proportional to 640,373.48, 960,560.21 and 241,103.82

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Solution

The fourth proportional to 640,373.48, 960,560.21 and 241,103.82 is: 361,655.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,373.48 : 960,560.21 = 241,103.82 : x
  2. Step 2: Convert to fraction form
    640,373.48/960,560.21 = 241,103.82/x
  3. Step 3: Cross multiply
    640,373.48x = 960,560.21 × 241,103.82
  4. Step 4: Simplify right side
    640,373.48x = 231,594,735,971.00
  5. Step 5: Solve for x
    x = 231,594,735,971.00/640,373.48
  6. Step 6: Final answer
    x = 361,655.73

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Similar ratio
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1.5x scale

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.