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Finding the Fourth Proportional to 341,508.60, 512,258.10 and 154,519.80

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Solution

The fourth proportional to 341,508.60, 512,258.10 and 154,519.80 is: 231,777.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,508.60 : 512,258.10 = 154,519.80 : x
  2. Step 2: Convert to fraction form
    341,508.60/512,258.10 = 154,519.80/x
  3. Step 3: Cross multiply
    341,508.60x = 512,258.10 × 154,519.80
  4. Step 4: Simplify right side
    341,508.60x = 79,154,019,160.38
  5. Step 5: Solve for x
    x = 79,154,019,160.38/341,508.60
  6. Step 6: Final answer
    x = 231,777.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.