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Finding the Fourth Proportional to 510,734.88, 766,100.30 and 155,747.88

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Solution

The fourth proportional to 510,734.88, 766,100.30 and 155,747.88 is: 233,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,734.88 : 766,100.30 = 155,747.88 : x
  2. Step 2: Convert to fraction form
    510,734.88/766,100.30 = 155,747.88/x
  3. Step 3: Cross multiply
    510,734.88x = 766,100.30 × 155,747.88
  4. Step 4: Simplify right side
    510,734.88x = 119,318,496,813.63
  5. Step 5: Solve for x
    x = 119,318,496,813.63/510,734.88
  6. Step 6: Final answer
    x = 233,621.20

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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.