Home / 336,941.46-505,410.15-84,220.68

Finding the Fourth Proportional to 336,941.46, 505,410.15 and 84,220.68

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Solution

The fourth proportional to 336,941.46, 505,410.15 and 84,220.68 is: 126,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,941.46 : 505,410.15 = 84,220.68 : x
  2. Step 2: Convert to fraction form
    336,941.46/505,410.15 = 84,220.68/x
  3. Step 3: Cross multiply
    336,941.46x = 505,410.15 × 84,220.68
  4. Step 4: Simplify right side
    336,941.46x = 42,565,986,511.90
  5. Step 5: Solve for x
    x = 42,565,986,511.90/336,941.46
  6. Step 6: Final answer
    x = 126,330.51

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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.