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Finding the Fourth Proportional to 255,170.04, 382,810.41 and 77,672.43

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Solution

The fourth proportional to 255,170.04, 382,810.41 and 77,672.43 is: 116,525.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,170.04 : 382,810.41 = 77,672.43 : x
  2. Step 2: Convert to fraction form
    255,170.04/382,810.41 = 77,672.43/x
  3. Step 3: Cross multiply
    255,170.04x = 382,810.41 × 77,672.43
  4. Step 4: Simplify right side
    255,170.04x = 29,733,814,774.00
  5. Step 5: Solve for x
    x = 29,733,814,774.00/255,170.04
  6. Step 6: Final answer
    x = 116,525.49

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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.