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Finding the Fourth Proportional to 433,820.77, 650,711.97 and 118,277.71

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Solution

The fourth proportional to 433,820.77, 650,711.97 and 118,277.71 is: 177,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,820.77 : 650,711.97 = 118,277.71 : x
  2. Step 2: Convert to fraction form
    433,820.77/650,711.97 = 118,277.71/x
  3. Step 3: Cross multiply
    433,820.77x = 650,711.97 × 118,277.71
  4. Step 4: Simplify right side
    433,820.77x = 76,964,720,054.41
  5. Step 5: Solve for x
    x = 76,964,720,054.41/433,820.77
  6. Step 6: Final answer
    x = 177,411.33

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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.