Home / 336,784.74-505,257.84-112,147.23

Finding the Fourth Proportional to 336,784.74, 505,257.84 and 112,147.23

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Solution

The fourth proportional to 336,784.74, 505,257.84 and 112,147.23 is: 168,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,784.74 : 505,257.84 = 112,147.23 : x
  2. Step 2: Convert to fraction form
    336,784.74/505,257.84 = 112,147.23/x
  3. Step 3: Cross multiply
    336,784.74x = 505,257.84 × 112,147.23
  4. Step 4: Simplify right side
    336,784.74x = 56,663,267,191.78
  5. Step 5: Solve for x
    x = 56,663,267,191.78/336,784.74
  6. Step 6: Final answer
    x = 168,247.73

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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.