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Finding the Fourth Proportional to 202,969.04, 280,080.60 and 112,323.20

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Solution

The fourth proportional to 202,969.04, 280,080.60 and 112,323.20 is: 154,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,969.04 : 280,080.60 = 112,323.20 : x
  2. Step 2: Convert to fraction form
    202,969.04/280,080.60 = 112,323.20/x
  3. Step 3: Cross multiply
    202,969.04x = 280,080.60 × 112,323.20
  4. Step 4: Simplify right side
    202,969.04x = 31,459,549,249.92
  5. Step 5: Solve for x
    x = 31,459,549,249.92/202,969.04
  6. Step 6: Final answer
    x = 154,996.79

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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.