Home / 228,431.25-315,378.09-146,792.61

Finding the Fourth Proportional to 228,431.25, 315,378.09 and 146,792.61

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Solution

The fourth proportional to 228,431.25, 315,378.09 and 146,792.61 is: 202,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,431.25 : 315,378.09 = 146,792.61 : x
  2. Step 2: Convert to fraction form
    228,431.25/315,378.09 = 146,792.61/x
  3. Step 3: Cross multiply
    228,431.25x = 315,378.09 × 146,792.61
  4. Step 4: Simplify right side
    228,431.25x = 46,295,172,967.91
  5. Step 5: Solve for x
    x = 46,295,172,967.91/228,431.25
  6. Step 6: Final answer
    x = 202,665.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.