Home / 230,299.46-345,449.19-89,959.67

Finding the Fourth Proportional to 230,299.46, 345,449.19 and 89,959.67

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Solution

The fourth proportional to 230,299.46, 345,449.19 and 89,959.67 is: 134,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,299.46 : 345,449.19 = 89,959.67 : x
  2. Step 2: Convert to fraction form
    230,299.46/345,449.19 = 89,959.67/x
  3. Step 3: Cross multiply
    230,299.46x = 345,449.19 × 89,959.67
  4. Step 4: Simplify right side
    230,299.46x = 31,076,493,406.92
  5. Step 5: Solve for x
    x = 31,076,493,406.92/230,299.46
  6. Step 6: Final answer
    x = 134,939.50

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1.5x scale

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.