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Finding the Fourth Proportional to 252,026.60, 378,477.30 and 133,928.60

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Solution

The fourth proportional to 252,026.60, 378,477.30 and 133,928.60 is: 201,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,026.60 : 378,477.30 = 133,928.60 : x
  2. Step 2: Convert to fraction form
    252,026.60/378,477.30 = 133,928.60/x
  3. Step 3: Cross multiply
    252,026.60x = 378,477.30 × 133,928.60
  4. Step 4: Simplify right side
    252,026.60x = 50,688,934,920.78
  5. Step 5: Solve for x
    x = 50,688,934,920.78/252,026.60
  6. Step 6: Final answer
    x = 201,125.34

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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.