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Finding the Fourth Proportional to 515,597.56, 773,396.40 and 160,640.20

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Solution

The fourth proportional to 515,597.56, 773,396.40 and 160,640.20 is: 240,960.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,597.56 : 773,396.40 = 160,640.20 : x
  2. Step 2: Convert to fraction form
    515,597.56/773,396.40 = 160,640.20/x
  3. Step 3: Cross multiply
    515,597.56x = 773,396.40 × 160,640.20
  4. Step 4: Simplify right side
    515,597.56x = 124,238,552,375.28
  5. Step 5: Solve for x
    x = 124,238,552,375.28/515,597.56
  6. Step 6: Final answer
    x = 240,960.32

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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.