Home / 215,924.60-323,746.10-193,806.20

Finding the Fourth Proportional to 215,924.60, 323,746.10 and 193,806.20

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Solution

The fourth proportional to 215,924.60, 323,746.10 and 193,806.20 is: 290,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,924.60 : 323,746.10 = 193,806.20 : x
  2. Step 2: Convert to fraction form
    215,924.60/323,746.10 = 193,806.20/x
  3. Step 3: Cross multiply
    215,924.60x = 323,746.10 × 193,806.20
  4. Step 4: Simplify right side
    215,924.60x = 62,744,001,405.82
  5. Step 5: Solve for x
    x = 62,744,001,405.82/215,924.60
  6. Step 6: Final answer
    x = 290,582.92

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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.