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Finding the Fourth Proportional to 383,799.93, 575,415.57 and 183,930

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Solution

The fourth proportional to 383,799.93, 575,415.57 and 183,930 is: 275,758.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,799.93 : 575,415.57 = 183,930 : x
  2. Step 2: Convert to fraction form
    383,799.93/575,415.57 = 183,930/x
  3. Step 3: Cross multiply
    383,799.93x = 575,415.57 × 183,930
  4. Step 4: Simplify right side
    383,799.93x = 105,836,185,790.10
  5. Step 5: Solve for x
    x = 105,836,185,790.10/383,799.93
  6. Step 6: Final answer
    x = 275,758.74

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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.