Home / 275,840.24-380,618.19-154,958.67

Finding the Fourth Proportional to 275,840.24, 380,618.19 and 154,958.67

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Solution

The fourth proportional to 275,840.24, 380,618.19 and 154,958.67 is: 213,819.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,840.24 : 380,618.19 = 154,958.67 : x
  2. Step 2: Convert to fraction form
    275,840.24/380,618.19 = 154,958.67/x
  3. Step 3: Cross multiply
    275,840.24x = 380,618.19 × 154,958.67
  4. Step 4: Simplify right side
    275,840.24x = 58,980,088,500.21
  5. Step 5: Solve for x
    x = 58,980,088,500.21/275,840.24
  6. Step 6: Final answer
    x = 213,819.74

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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.