Home / 296,898.12-445,112.94-147,189.96

Finding the Fourth Proportional to 296,898.12, 445,112.94 and 147,189.96

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Solution

The fourth proportional to 296,898.12, 445,112.94 and 147,189.96 is: 220,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,898.12 : 445,112.94 = 147,189.96 : x
  2. Step 2: Convert to fraction form
    296,898.12/445,112.94 = 147,189.96/x
  3. Step 3: Cross multiply
    296,898.12x = 445,112.94 × 147,189.96
  4. Step 4: Simplify right side
    296,898.12x = 65,516,155,834.08
  5. Step 5: Solve for x
    x = 65,516,155,834.08/296,898.12
  6. Step 6: Final answer
    x = 220,668.81

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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.