Home / 353,740.23-488,136.88-200,781.53

Finding the Fourth Proportional to 353,740.23, 488,136.88 and 200,781.53

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Solution

The fourth proportional to 353,740.23, 488,136.88 and 200,781.53 is: 277,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,740.23 : 488,136.88 = 200,781.53 : x
  2. Step 2: Convert to fraction form
    353,740.23/488,136.88 = 200,781.53/x
  3. Step 3: Cross multiply
    353,740.23x = 488,136.88 × 200,781.53
  4. Step 4: Simplify right side
    353,740.23x = 98,008,869,615.83
  5. Step 5: Solve for x
    x = 98,008,869,615.83/353,740.23
  6. Step 6: Final answer
    x = 277,064.53

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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.