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Finding the Fourth Proportional to 255,150.46, 382,599.96 and 86,609.26

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Solution

The fourth proportional to 255,150.46, 382,599.96 and 86,609.26 is: 129,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,150.46 : 382,599.96 = 86,609.26 : x
  2. Step 2: Convert to fraction form
    255,150.46/382,599.96 = 86,609.26/x
  3. Step 3: Cross multiply
    255,150.46x = 382,599.96 × 86,609.26
  4. Step 4: Simplify right side
    255,150.46x = 33,136,699,411.63
  5. Step 5: Solve for x
    x = 33,136,699,411.63/255,150.46
  6. Step 6: Final answer
    x = 129,871.21

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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.