Home / 209,349.96-288,930.51-203,650.32

Finding the Fourth Proportional to 209,349.96, 288,930.51 and 203,650.32

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Solution

The fourth proportional to 209,349.96, 288,930.51 and 203,650.32 is: 281,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,349.96 : 288,930.51 = 203,650.32 : x
  2. Step 2: Convert to fraction form
    209,349.96/288,930.51 = 203,650.32/x
  3. Step 3: Cross multiply
    209,349.96x = 288,930.51 × 203,650.32
  4. Step 4: Simplify right side
    209,349.96x = 58,840,790,819.26
  5. Step 5: Solve for x
    x = 58,840,790,819.26/209,349.96
  6. Step 6: Final answer
    x = 281,064.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.