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Finding the Fourth Proportional to 540,355.67, 810,549.91 and 185,364.56

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Solution

The fourth proportional to 540,355.67, 810,549.91 and 185,364.56 is: 278,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,355.67 : 810,549.91 = 185,364.56 : x
  2. Step 2: Convert to fraction form
    540,355.67/810,549.91 = 185,364.56/x
  3. Step 3: Cross multiply
    540,355.67x = 810,549.91 × 185,364.56
  4. Step 4: Simplify right side
    540,355.67x = 150,247,229,683.27
  5. Step 5: Solve for x
    x = 150,247,229,683.27/540,355.67
  6. Step 6: Final answer
    x = 278,052.47

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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.