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Finding the Fourth Proportional to 298,802.33, 412,335.21 and 162,833.39

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Solution

The fourth proportional to 298,802.33, 412,335.21 and 162,833.39 is: 224,703.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,802.33 : 412,335.21 = 162,833.39 : x
  2. Step 2: Convert to fraction form
    298,802.33/412,335.21 = 162,833.39/x
  3. Step 3: Cross multiply
    298,802.33x = 412,335.21 × 162,833.39
  4. Step 4: Simplify right side
    298,802.33x = 67,141,940,060.66
  5. Step 5: Solve for x
    x = 67,141,940,060.66/298,802.33
  6. Step 6: Final answer
    x = 224,703.54

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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.