Home / 289,964.27-434,842.12-100,373.24

Finding the Fourth Proportional to 289,964.27, 434,842.12 and 100,373.24

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Solution

The fourth proportional to 289,964.27, 434,842.12 and 100,373.24 is: 150,523.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,964.27 : 434,842.12 = 100,373.24 : x
  2. Step 2: Convert to fraction form
    289,964.27/434,842.12 = 100,373.24/x
  3. Step 3: Cross multiply
    289,964.27x = 434,842.12 × 100,373.24
  4. Step 4: Simplify right side
    289,964.27x = 43,646,511,971.00
  5. Step 5: Solve for x
    x = 43,646,511,971.00/289,964.27
  6. Step 6: Final answer
    x = 150,523.76

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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.