Home / 384,349.64-576,138.54-131,457.26

Finding the Fourth Proportional to 384,349.64, 576,138.54 and 131,457.26

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Solution

The fourth proportional to 384,349.64, 576,138.54 and 131,457.26 is: 197,053.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,349.64 : 576,138.54 = 131,457.26 : x
  2. Step 2: Convert to fraction form
    384,349.64/576,138.54 = 131,457.26/x
  3. Step 3: Cross multiply
    384,349.64x = 576,138.54 × 131,457.26
  4. Step 4: Simplify right side
    384,349.64x = 75,737,593,848.80
  5. Step 5: Solve for x
    x = 75,737,593,848.80/384,349.64
  6. Step 6: Final answer
    x = 197,053.90

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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.