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Finding the Fourth Proportional to 298,882.02, 412,454.47 and 162,915.96

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Solution

The fourth proportional to 298,882.02, 412,454.47 and 162,915.96 is: 224,822.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,882.02 : 412,454.47 = 162,915.96 : x
  2. Step 2: Convert to fraction form
    298,882.02/412,454.47 = 162,915.96/x
  3. Step 3: Cross multiply
    298,882.02x = 412,454.47 × 162,915.96
  4. Step 4: Simplify right side
    298,882.02x = 67,195,415,936.34
  5. Step 5: Solve for x
    x = 67,195,415,936.34/298,882.02
  6. Step 6: Final answer
    x = 224,822.54

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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.