Home / 510,533.82-765,914.94-155,575.62

Finding the Fourth Proportional to 510,533.82, 765,914.94 and 155,575.62

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Solution

The fourth proportional to 510,533.82, 765,914.94 and 155,575.62 is: 233,398.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,533.82 : 765,914.94 = 155,575.62 : x
  2. Step 2: Convert to fraction form
    510,533.82/765,914.94 = 155,575.62/x
  3. Step 3: Cross multiply
    510,533.82x = 765,914.94 × 155,575.62
  4. Step 4: Simplify right side
    510,533.82x = 119,157,691,657.76
  5. Step 5: Solve for x
    x = 119,157,691,657.76/510,533.82
  6. Step 6: Final answer
    x = 233,398.23

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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.