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Finding the Fourth Proportional to 298,288.39, 411,638.04 and 164,152.39

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Solution

The fourth proportional to 298,288.39, 411,638.04 and 164,152.39 is: 226,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,288.39 : 411,638.04 = 164,152.39 : x
  2. Step 2: Convert to fraction form
    298,288.39/411,638.04 = 164,152.39/x
  3. Step 3: Cross multiply
    298,288.39x = 411,638.04 × 164,152.39
  4. Step 4: Simplify right side
    298,288.39x = 67,571,368,080.92
  5. Step 5: Solve for x
    x = 67,571,368,080.92/298,288.39
  6. Step 6: Final answer
    x = 226,530.33

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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.