Home / 490,496.04-735,736.77-135,502.20

Finding the Fourth Proportional to 490,496.04, 735,736.77 and 135,502.20

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Solution

The fourth proportional to 490,496.04, 735,736.77 and 135,502.20 is: 203,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,496.04 : 735,736.77 = 135,502.20 : x
  2. Step 2: Convert to fraction form
    490,496.04/735,736.77 = 135,502.20/x
  3. Step 3: Cross multiply
    490,496.04x = 735,736.77 × 135,502.20
  4. Step 4: Simplify right side
    490,496.04x = 99,693,950,955.89
  5. Step 5: Solve for x
    x = 99,693,950,955.89/490,496.04
  6. Step 6: Final answer
    x = 203,251.29

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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.