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Finding the Fourth Proportional to 352,885.60, 529,328.40 and 226,914.40

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Solution

The fourth proportional to 352,885.60, 529,328.40 and 226,914.40 is: 340,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,885.60 : 529,328.40 = 226,914.40 : x
  2. Step 2: Convert to fraction form
    352,885.60/529,328.40 = 226,914.40/x
  3. Step 3: Cross multiply
    352,885.60x = 529,328.40 × 226,914.40
  4. Step 4: Simplify right side
    352,885.60x = 120,112,236,288.96
  5. Step 5: Solve for x
    x = 120,112,236,288.96/352,885.60
  6. Step 6: Final answer
    x = 340,371.60

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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.