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Finding the Fourth Proportional to 170,240, 255,360 and 53,504

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Solution

The fourth proportional to 170,240, 255,360 and 53,504 is: 80,256

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,240 : 255,360 = 53,504 : x
  2. Step 2: Convert to fraction form
    170,240/255,360 = 53,504/x
  3. Step 3: Cross multiply
    170,240x = 255,360 × 53,504
  4. Step 4: Simplify right side
    170,240x = 13,662,781,440
  5. Step 5: Solve for x
    x = 13,662,781,440/170,240
  6. Step 6: Final answer
    x = 80,256

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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.