Home / 421,936.55-582,157.29-240,582.34

Finding the Fourth Proportional to 421,936.55, 582,157.29 and 240,582.34

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Solution

The fourth proportional to 421,936.55, 582,157.29 and 240,582.34 is: 331,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,936.55 : 582,157.29 = 240,582.34 : x
  2. Step 2: Convert to fraction form
    421,936.55/582,157.29 = 240,582.34/x
  3. Step 3: Cross multiply
    421,936.55x = 582,157.29 × 240,582.34
  4. Step 4: Simplify right side
    421,936.55x = 140,056,763,076.26
  5. Step 5: Solve for x
    x = 140,056,763,076.26/421,936.55
  6. Step 6: Final answer
    x = 331,937.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.