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Finding the Fourth Proportional to 510,814.89, 766,220.90 and 230,003.37

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Solution

The fourth proportional to 510,814.89, 766,220.90 and 230,003.37 is: 345,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,814.89 : 766,220.90 = 230,003.37 : x
  2. Step 2: Convert to fraction form
    510,814.89/766,220.90 = 230,003.37/x
  3. Step 3: Cross multiply
    510,814.89x = 766,220.90 × 230,003.37
  4. Step 4: Simplify right side
    510,814.89x = 176,233,388,014.42
  5. Step 5: Solve for x
    x = 176,233,388,014.42/510,814.89
  6. Step 6: Final answer
    x = 345,004.41

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1.5x scale

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.