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Finding the Fourth Proportional to 510,072.96, 765,136.64 and 155,059.68

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Solution

The fourth proportional to 510,072.96, 765,136.64 and 155,059.68 is: 232,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,072.96 : 765,136.64 = 155,059.68 : x
  2. Step 2: Convert to fraction form
    510,072.96/765,136.64 = 155,059.68/x
  3. Step 3: Cross multiply
    510,072.96x = 765,136.64 × 155,059.68
  4. Step 4: Simplify right side
    510,072.96x = 118,641,842,554.68
  5. Step 5: Solve for x
    x = 118,641,842,554.68/510,072.96
  6. Step 6: Final answer
    x = 232,597.79

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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.