Home / 331,238.08-457,109.60-180,336

Finding the Fourth Proportional to 331,238.08, 457,109.60 and 180,336

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Solution

The fourth proportional to 331,238.08, 457,109.60 and 180,336 is: 248,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,238.08 : 457,109.60 = 180,336 : x
  2. Step 2: Convert to fraction form
    331,238.08/457,109.60 = 180,336/x
  3. Step 3: Cross multiply
    331,238.08x = 457,109.60 × 180,336
  4. Step 4: Simplify right side
    331,238.08x = 82,433,316,825.60
  5. Step 5: Solve for x
    x = 82,433,316,825.60/331,238.08
  6. Step 6: Final answer
    x = 248,864.25

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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.