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Finding the Fourth Proportional to 518,160.08, 776,906.26 and 218,560.52

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Solution

The fourth proportional to 518,160.08, 776,906.26 and 218,560.52 is: 327,699.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,160.08 : 776,906.26 = 218,560.52 : x
  2. Step 2: Convert to fraction form
    518,160.08/776,906.26 = 218,560.52/x
  3. Step 3: Cross multiply
    518,160.08x = 776,906.26 × 218,560.52
  4. Step 4: Simplify right side
    518,160.08x = 169,801,036,176.86
  5. Step 5: Solve for x
    x = 169,801,036,176.86/518,160.08
  6. Step 6: Final answer
    x = 327,699.96

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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.