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Finding the Fourth Proportional to 347,025.60, 520,635.60 and 169,538.40

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Solution

The fourth proportional to 347,025.60, 520,635.60 and 169,538.40 is: 254,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,025.60 : 520,635.60 = 169,538.40 : x
  2. Step 2: Convert to fraction form
    347,025.60/520,635.60 = 169,538.40/x
  3. Step 3: Cross multiply
    347,025.60x = 520,635.60 × 169,538.40
  4. Step 4: Simplify right side
    347,025.60x = 88,267,726,607.04
  5. Step 5: Solve for x
    x = 88,267,726,607.04/347,025.60
  6. Step 6: Final answer
    x = 254,355.09

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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.