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Finding the Fourth Proportional to 510,301.22, 765,423.68 and 155,287.53

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Solution

The fourth proportional to 510,301.22, 765,423.68 and 155,287.53 is: 232,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,301.22 : 765,423.68 = 155,287.53 : x
  2. Step 2: Convert to fraction form
    510,301.22/765,423.68 = 155,287.53/x
  3. Step 3: Cross multiply
    510,301.22x = 765,423.68 × 155,287.53
  4. Step 4: Simplify right side
    510,301.22x = 118,860,751,894.27
  5. Step 5: Solve for x
    x = 118,860,751,894.27/510,301.22
  6. Step 6: Final answer
    x = 232,922.73

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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.