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Finding the Fourth Proportional to 540,162.54, 810,364.23 and 203,206.05

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Solution

The fourth proportional to 540,162.54, 810,364.23 and 203,206.05 is: 304,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,162.54 : 810,364.23 = 203,206.05 : x
  2. Step 2: Convert to fraction form
    540,162.54/810,364.23 = 203,206.05/x
  3. Step 3: Cross multiply
    540,162.54x = 810,364.23 × 203,206.05
  4. Step 4: Simplify right side
    540,162.54x = 164,670,914,239.59
  5. Step 5: Solve for x
    x = 164,670,914,239.59/540,162.54
  6. Step 6: Final answer
    x = 304,854.38

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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.