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Finding the Fourth Proportional to 170,392.36, 255,588.48 and 45,733.36

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Solution

The fourth proportional to 170,392.36, 255,588.48 and 45,733.36 is: 68,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,392.36 : 255,588.48 = 45,733.36 : x
  2. Step 2: Convert to fraction form
    170,392.36/255,588.48 = 45,733.36/x
  3. Step 3: Cross multiply
    170,392.36x = 255,588.48 × 45,733.36
  4. Step 4: Simplify right side
    170,392.36x = 11,688,919,967.69
  5. Step 5: Solve for x
    x = 11,688,919,967.69/170,392.36
  6. Step 6: Final answer
    x = 68,600.02

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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.