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Finding the Fourth Proportional to 298,819.80, 412,366.95 and 162,856.80

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Solution

The fourth proportional to 298,819.80, 412,366.95 and 162,856.80 is: 224,740.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,819.80 : 412,366.95 = 162,856.80 : x
  2. Step 2: Convert to fraction form
    298,819.80/412,366.95 = 162,856.80/x
  3. Step 3: Cross multiply
    298,819.80x = 412,366.95 × 162,856.80
  4. Step 4: Simplify right side
    298,819.80x = 67,156,761,902.76
  5. Step 5: Solve for x
    x = 67,156,761,902.76/298,819.80
  6. Step 6: Final answer
    x = 224,740.00

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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.