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Finding the Fourth Proportional to 490,393.04, 735,588.24 and 130,563.92

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Solution

The fourth proportional to 490,393.04, 735,588.24 and 130,563.92 is: 195,845.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,393.04 : 735,588.24 = 130,563.92 : x
  2. Step 2: Convert to fraction form
    490,393.04/735,588.24 = 130,563.92/x
  3. Step 3: Cross multiply
    490,393.04x = 735,588.24 × 130,563.92
  4. Step 4: Simplify right side
    490,393.04x = 96,041,284,120.30
  5. Step 5: Solve for x
    x = 96,041,284,120.30/490,393.04
  6. Step 6: Final answer
    x = 195,845.53

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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.