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Finding the Fourth Proportional to 640,368.23, 960,552.34 and 241,098.57

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Solution

The fourth proportional to 640,368.23, 960,552.34 and 241,098.57 is: 361,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,368.23 : 960,552.34 = 241,098.57 : x
  2. Step 2: Convert to fraction form
    640,368.23/960,552.34 = 241,098.57/x
  3. Step 3: Cross multiply
    640,368.23x = 960,552.34 × 241,098.57
  4. Step 4: Simplify right side
    640,368.23x = 231,587,794,981.41
  5. Step 5: Solve for x
    x = 231,587,794,981.41/640,368.23
  6. Step 6: Final answer
    x = 361,647.86

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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.