Home / 280,009.96-419,846.04-111,556.28

Finding the Fourth Proportional to 280,009.96, 419,846.04 and 111,556.28

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Solution

The fourth proportional to 280,009.96, 419,846.04 and 111,556.28 is: 167,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,009.96 : 419,846.04 = 111,556.28 : x
  2. Step 2: Convert to fraction form
    280,009.96/419,846.04 = 111,556.28/x
  3. Step 3: Cross multiply
    280,009.96x = 419,846.04 × 111,556.28
  4. Step 4: Simplify right side
    280,009.96x = 46,836,463,444.75
  5. Step 5: Solve for x
    x = 46,836,463,444.75/280,009.96
  6. Step 6: Final answer
    x = 167,267.14

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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.