Home / 334,337.75-461,039.20-286,099.30

Finding the Fourth Proportional to 334,337.75, 461,039.20 and 286,099.30

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Solution

The fourth proportional to 334,337.75, 461,039.20 and 286,099.30 is: 394,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,337.75 : 461,039.20 = 286,099.30 : x
  2. Step 2: Convert to fraction form
    334,337.75/461,039.20 = 286,099.30/x
  3. Step 3: Cross multiply
    334,337.75x = 461,039.20 × 286,099.30
  4. Step 4: Simplify right side
    334,337.75x = 131,902,992,392.56
  5. Step 5: Solve for x
    x = 131,902,992,392.56/334,337.75
  6. Step 6: Final answer
    x = 394,520.19

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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.