Home / 824,139.42-1,236,009.33-225,103.38

Finding the Fourth Proportional to 824,139.42, 1,236,009.33 and 225,103.38

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Solution

The fourth proportional to 824,139.42, 1,236,009.33 and 225,103.38 is: 337,600.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,139.42 : 1,236,009.33 = 225,103.38 : x
  2. Step 2: Convert to fraction form
    824,139.42/1,236,009.33 = 225,103.38/x
  3. Step 3: Cross multiply
    824,139.42x = 1,236,009.33 × 225,103.38
  4. Step 4: Simplify right side
    824,139.42x = 278,229,877,894.54
  5. Step 5: Solve for x
    x = 278,229,877,894.54/824,139.42
  6. Step 6: Final answer
    x = 337,600.50

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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.