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Finding the Fourth Proportional to 247,268.80, 370,903.20 and 134,905.60

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Solution

The fourth proportional to 247,268.80, 370,903.20 and 134,905.60 is: 202,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,268.80 : 370,903.20 = 134,905.60 : x
  2. Step 2: Convert to fraction form
    247,268.80/370,903.20 = 134,905.60/x
  3. Step 3: Cross multiply
    247,268.80x = 370,903.20 × 134,905.60
  4. Step 4: Simplify right side
    247,268.80x = 50,036,918,737.92
  5. Step 5: Solve for x
    x = 50,036,918,737.92/247,268.80
  6. Step 6: Final answer
    x = 202,358.40

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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.