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Finding the Fourth Proportional to 170,283.98, 255,032.31 and 164,379.08

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Solution

The fourth proportional to 170,283.98, 255,032.31 and 164,379.08 is: 246,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,283.98 : 255,032.31 = 164,379.08 : x
  2. Step 2: Convert to fraction form
    170,283.98/255,032.31 = 164,379.08/x
  3. Step 3: Cross multiply
    170,283.98x = 255,032.31 × 164,379.08
  4. Step 4: Simplify right side
    170,283.98x = 41,921,976,488.07
  5. Step 5: Solve for x
    x = 41,921,976,488.07/170,283.98
  6. Step 6: Final answer
    x = 246,188.61

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1.5x scale

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.