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Finding the Fourth Proportional to 570,793.92, 856,200.48 and 215,975.04

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Solution

The fourth proportional to 570,793.92, 856,200.48 and 215,975.04 is: 323,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,793.92 : 856,200.48 = 215,975.04 : x
  2. Step 2: Convert to fraction form
    570,793.92/856,200.48 = 215,975.04/x
  3. Step 3: Cross multiply
    570,793.92x = 856,200.48 × 215,975.04
  4. Step 4: Simplify right side
    570,793.92x = 184,917,932,916.02
  5. Step 5: Solve for x
    x = 184,917,932,916.02/570,793.92
  6. Step 6: Final answer
    x = 323,966.19

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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.