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Finding the Fourth Proportional to 640,380.36, 960,570.52 and 241,110.70

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Solution

The fourth proportional to 640,380.36, 960,570.52 and 241,110.70 is: 361,666.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,380.36 : 960,570.52 = 241,110.70 : x
  2. Step 2: Convert to fraction form
    640,380.36/960,570.52 = 241,110.70/x
  3. Step 3: Cross multiply
    640,380.36x = 960,570.52 × 241,110.70
  4. Step 4: Simplify right side
    640,380.36x = 231,603,830,476.56
  5. Step 5: Solve for x
    x = 231,603,830,476.56/640,380.36
  6. Step 6: Final answer
    x = 361,666.04

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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.