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Finding the Fourth Proportional to 298,003.85, 411,245.81 and 162,037.68

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Solution

The fourth proportional to 298,003.85, 411,245.81 and 162,037.68 is: 223,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,003.85 : 411,245.81 = 162,037.68 : x
  2. Step 2: Convert to fraction form
    298,003.85/411,245.81 = 162,037.68/x
  3. Step 3: Cross multiply
    298,003.85x = 411,245.81 × 162,037.68
  4. Step 4: Simplify right side
    298,003.85x = 66,637,316,151.93
  5. Step 5: Solve for x
    x = 66,637,316,151.93/298,003.85
  6. Step 6: Final answer
    x = 223,612.27

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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.