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Finding the Fourth Proportional to 490,490.04, 735,727.77 and 135,496.20

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Solution

The fourth proportional to 490,490.04, 735,727.77 and 135,496.20 is: 203,242.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,490.04 : 735,727.77 = 135,496.20 : x
  2. Step 2: Convert to fraction form
    490,490.04/735,727.77 = 135,496.20/x
  3. Step 3: Cross multiply
    490,490.04x = 735,727.77 × 135,496.20
  4. Step 4: Simplify right side
    490,490.04x = 99,688,317,069.47
  5. Step 5: Solve for x
    x = 99,688,317,069.47/490,490.04
  6. Step 6: Final answer
    x = 203,242.29

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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.