Home / 330,250.30-495,039.20-130,296.22

Finding the Fourth Proportional to 330,250.30, 495,039.20 and 130,296.22

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Solution

The fourth proportional to 330,250.30, 495,039.20 and 130,296.22 is: 195,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,250.30 : 495,039.20 = 130,296.22 : x
  2. Step 2: Convert to fraction form
    330,250.30/495,039.20 = 130,296.22/x
  3. Step 3: Cross multiply
    330,250.30x = 495,039.20 × 130,296.22
  4. Step 4: Simplify right side
    330,250.30x = 64,501,736,511.82
  5. Step 5: Solve for x
    x = 64,501,736,511.82/330,250.30
  6. Step 6: Final answer
    x = 195,311.67

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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.