Home / 275,023.94-379,526.22-152,515.62

Finding the Fourth Proportional to 275,023.94, 379,526.22 and 152,515.62

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Solution

The fourth proportional to 275,023.94, 379,526.22 and 152,515.62 is: 210,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,023.94 : 379,526.22 = 152,515.62 : x
  2. Step 2: Convert to fraction form
    275,023.94/379,526.22 = 152,515.62/x
  3. Step 3: Cross multiply
    275,023.94x = 379,526.22 × 152,515.62
  4. Step 4: Simplify right side
    275,023.94x = 57,883,676,749.56
  5. Step 5: Solve for x
    x = 57,883,676,749.56/275,023.94
  6. Step 6: Final answer
    x = 210,467.78

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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.