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Finding the Fourth Proportional to 268,299.60, 370,246.32 and 147,440.64

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Solution

The fourth proportional to 268,299.60, 370,246.32 and 147,440.64 is: 203,464.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,299.60 : 370,246.32 = 147,440.64 : x
  2. Step 2: Convert to fraction form
    268,299.60/370,246.32 = 147,440.64/x
  3. Step 3: Cross multiply
    268,299.60x = 370,246.32 × 147,440.64
  4. Step 4: Simplify right side
    268,299.60x = 54,589,354,378.44
  5. Step 5: Solve for x
    x = 54,589,354,378.44/268,299.60
  6. Step 6: Final answer
    x = 203,464.17

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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.