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Finding the Fourth Proportional to 255,706.44, 382,992.18 and 165,458.98

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Solution

The fourth proportional to 255,706.44, 382,992.18 and 165,458.98 is: 247,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,706.44 : 382,992.18 = 165,458.98 : x
  2. Step 2: Convert to fraction form
    255,706.44/382,992.18 = 165,458.98/x
  3. Step 3: Cross multiply
    255,706.44x = 382,992.18 × 165,458.98
  4. Step 4: Simplify right side
    255,706.44x = 63,369,495,113.77
  5. Step 5: Solve for x
    x = 63,369,495,113.77/255,706.44
  6. Step 6: Final answer
    x = 247,821.27

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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.