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Finding the Fourth Proportional to 540,374.70, 810,578.52 and 185,383.70

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Solution

The fourth proportional to 540,374.70, 810,578.52 and 185,383.70 is: 278,081.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,374.70 : 810,578.52 = 185,383.70 : x
  2. Step 2: Convert to fraction form
    540,374.70/810,578.52 = 185,383.70/x
  3. Step 3: Cross multiply
    540,374.70x = 810,578.52 × 185,383.70
  4. Step 4: Simplify right side
    540,374.70x = 150,268,041,125.23
  5. Step 5: Solve for x
    x = 150,268,041,125.23/540,374.70
  6. Step 6: Final answer
    x = 278,081.19

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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.