Home / 288,917.28-433,091.61-168,821.82

Finding the Fourth Proportional to 288,917.28, 433,091.61 and 168,821.82

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Solution

The fourth proportional to 288,917.28, 433,091.61 and 168,821.82 is: 253,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,917.28 : 433,091.61 = 168,821.82 : x
  2. Step 2: Convert to fraction form
    288,917.28/433,091.61 = 168,821.82/x
  3. Step 3: Cross multiply
    288,917.28x = 433,091.61 × 168,821.82
  4. Step 4: Simplify right side
    288,917.28x = 73,115,313,826.93
  5. Step 5: Solve for x
    x = 73,115,313,826.93/288,917.28
  6. Step 6: Final answer
    x = 253,066.60

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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.