Home / 288,455.11-432,837.58-120,091.65

Finding the Fourth Proportional to 288,455.11, 432,837.58 and 120,091.65

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Solution

The fourth proportional to 288,455.11, 432,837.58 and 120,091.65 is: 180,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,455.11 : 432,837.58 = 120,091.65 : x
  2. Step 2: Convert to fraction form
    288,455.11/432,837.58 = 120,091.65/x
  3. Step 3: Cross multiply
    288,455.11x = 432,837.58 × 120,091.65
  4. Step 4: Simplify right side
    288,455.11x = 51,980,179,164.21
  5. Step 5: Solve for x
    x = 51,980,179,164.21/288,455.11
  6. Step 6: Final answer
    x = 180,201.97

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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.