Home / 270,311.28-405,458.64-112,535.76

Finding the Fourth Proportional to 270,311.28, 405,458.64 and 112,535.76

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Solution

The fourth proportional to 270,311.28, 405,458.64 and 112,535.76 is: 168,800.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,311.28 : 405,458.64 = 112,535.76 : x
  2. Step 2: Convert to fraction form
    270,311.28/405,458.64 = 112,535.76/x
  3. Step 3: Cross multiply
    270,311.28x = 405,458.64 × 112,535.76
  4. Step 4: Simplify right side
    270,311.28x = 45,628,596,200.97
  5. Step 5: Solve for x
    x = 45,628,596,200.97/270,311.28
  6. Step 6: Final answer
    x = 168,800.19

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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.