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Finding the Fourth Proportional to 375,999.76, 518,876.85 and 206,232.67

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Solution

The fourth proportional to 375,999.76, 518,876.85 and 206,232.67 is: 284,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,999.76 : 518,876.85 = 206,232.67 : x
  2. Step 2: Convert to fraction form
    375,999.76/518,876.85 = 206,232.67/x
  3. Step 3: Cross multiply
    375,999.76x = 518,876.85 × 206,232.67
  4. Step 4: Simplify right side
    375,999.76x = 107,009,358,176.69
  5. Step 5: Solve for x
    x = 107,009,358,176.69/375,999.76
  6. Step 6: Final answer
    x = 284,599.54

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1.5x scale

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.