Home / 411,739.57-617,659.17-145,445.59

Finding the Fourth Proportional to 411,739.57, 617,659.17 and 145,445.59

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Solution

The fourth proportional to 411,739.57, 617,659.17 and 145,445.59 is: 218,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,739.57 : 617,659.17 = 145,445.59 : x
  2. Step 2: Convert to fraction form
    411,739.57/617,659.17 = 145,445.59/x
  3. Step 3: Cross multiply
    411,739.57x = 617,659.17 × 145,445.59
  4. Step 4: Simplify right side
    411,739.57x = 89,835,802,399.56
  5. Step 5: Solve for x
    x = 89,835,802,399.56/411,739.57
  6. Step 6: Final answer
    x = 218,185.98

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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.