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Finding the Fourth Proportional to 202,435.60, 303,507.60 and 113,716.30

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Solution

The fourth proportional to 202,435.60, 303,507.60 and 113,716.30 is: 170,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,435.60 : 303,507.60 = 113,716.30 : x
  2. Step 2: Convert to fraction form
    202,435.60/303,507.60 = 113,716.30/x
  3. Step 3: Cross multiply
    202,435.60x = 303,507.60 × 113,716.30
  4. Step 4: Simplify right side
    202,435.60x = 34,513,761,293.88
  5. Step 5: Solve for x
    x = 34,513,761,293.88/202,435.60
  6. Step 6: Final answer
    x = 170,492.55

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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.