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Finding the Fourth Proportional to 301,628.75, 452,548.22 and 189,175.91

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Solution

The fourth proportional to 301,628.75, 452,548.22 and 189,175.91 is: 283,829.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,628.75 : 452,548.22 = 189,175.91 : x
  2. Step 2: Convert to fraction form
    301,628.75/452,548.22 = 189,175.91/x
  3. Step 3: Cross multiply
    301,628.75x = 452,548.22 × 189,175.91
  4. Step 4: Simplify right side
    301,628.75x = 85,611,218,128.76
  5. Step 5: Solve for x
    x = 85,611,218,128.76/301,628.75
  6. Step 6: Final answer
    x = 283,829.77

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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.