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Finding the Fourth Proportional to 382,063.36, 572,898 and 171,520.72

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Solution

The fourth proportional to 382,063.36, 572,898 and 171,520.72 is: 257,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,063.36 : 572,898 = 171,520.72 : x
  2. Step 2: Convert to fraction form
    382,063.36/572,898 = 171,520.72/x
  3. Step 3: Cross multiply
    382,063.36x = 572,898 × 171,520.72
  4. Step 4: Simplify right side
    382,063.36x = 98,263,877,446.56
  5. Step 5: Solve for x
    x = 98,263,877,446.56/382,063.36
  6. Step 6: Final answer
    x = 257,192.62

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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.