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Finding the Fourth Proportional to 371,155.44, 556,546.80 and 181,630

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Solution

The fourth proportional to 371,155.44, 556,546.80 and 181,630 is: 272,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,155.44 : 556,546.80 = 181,630 : x
  2. Step 2: Convert to fraction form
    371,155.44/556,546.80 = 181,630/x
  3. Step 3: Cross multiply
    371,155.44x = 556,546.80 × 181,630
  4. Step 4: Simplify right side
    371,155.44x = 101,085,595,284.00
  5. Step 5: Solve for x
    x = 101,085,595,284.00/371,155.44
  6. Step 6: Final answer
    x = 272,353.80

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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.