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Finding the Fourth Proportional to 510,910.56, 766,365.84 and 155,926.44

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Solution

The fourth proportional to 510,910.56, 766,365.84 and 155,926.44 is: 233,889.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,910.56 : 766,365.84 = 155,926.44 : x
  2. Step 2: Convert to fraction form
    510,910.56/766,365.84 = 155,926.44/x
  3. Step 3: Cross multiply
    510,910.56x = 766,365.84 × 155,926.44
  4. Step 4: Simplify right side
    510,910.56x = 119,496,697,168.81
  5. Step 5: Solve for x
    x = 119,496,697,168.81/510,910.56
  6. Step 6: Final answer
    x = 233,889.66

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Similar ratio
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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.