Home / 336,784.86-505,257.72-112,147.24

Finding the Fourth Proportional to 336,784.86, 505,257.72 and 112,147.24

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Solution

The fourth proportional to 336,784.86, 505,257.72 and 112,147.24 is: 168,247.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,784.86 : 505,257.72 = 112,147.24 : x
  2. Step 2: Convert to fraction form
    336,784.86/505,257.72 = 112,147.24/x
  3. Step 3: Cross multiply
    336,784.86x = 505,257.72 × 112,147.24
  4. Step 4: Simplify right side
    336,784.86x = 56,663,256,962.81
  5. Step 5: Solve for x
    x = 56,663,256,962.81/336,784.86
  6. Step 6: Final answer
    x = 168,247.64

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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.