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Finding the Fourth Proportional to 606,335.76, 909,348.51 and 179,771.84

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Solution

The fourth proportional to 606,335.76, 909,348.51 and 179,771.84 is: 269,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,335.76 : 909,348.51 = 179,771.84 : x
  2. Step 2: Convert to fraction form
    606,335.76/909,348.51 = 179,771.84/x
  3. Step 3: Cross multiply
    606,335.76x = 909,348.51 × 179,771.84
  4. Step 4: Simplify right side
    606,335.76x = 163,475,254,843.96
  5. Step 5: Solve for x
    x = 163,475,254,843.96/606,335.76
  6. Step 6: Final answer
    x = 269,611.77

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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.