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Finding the Fourth Proportional to 298,889.18, 412,461.69 and 162,924.29

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Solution

The fourth proportional to 298,889.18, 412,461.69 and 162,924.29 is: 224,832.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,889.18 : 412,461.69 = 162,924.29 : x
  2. Step 2: Convert to fraction form
    298,889.18/412,461.69 = 162,924.29/x
  3. Step 3: Cross multiply
    298,889.18x = 412,461.69 × 162,924.29
  4. Step 4: Simplify right side
    298,889.18x = 67,200,025,933.14
  5. Step 5: Solve for x
    x = 67,200,025,933.14/298,889.18
  6. Step 6: Final answer
    x = 224,832.59

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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.