Home / 275,303.91-412,951-75,623.52

Finding the Fourth Proportional to 275,303.91, 412,951 and 75,623.52

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Solution

The fourth proportional to 275,303.91, 412,951 and 75,623.52 is: 113,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,303.91 : 412,951 = 75,623.52 : x
  2. Step 2: Convert to fraction form
    275,303.91/412,951 = 75,623.52/x
  3. Step 3: Cross multiply
    275,303.91x = 412,951 × 75,623.52
  4. Step 4: Simplify right side
    275,303.91x = 31,228,808,207.52
  5. Step 5: Solve for x
    x = 31,228,808,207.52/275,303.91
  6. Step 6: Final answer
    x = 113,433.94

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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.