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Finding the Fourth Proportional to 540,367.68, 810,427.58 and 203,443.32

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Solution

The fourth proportional to 540,367.68, 810,427.58 and 203,443.32 is: 305,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,367.68 : 810,427.58 = 203,443.32 : x
  2. Step 2: Convert to fraction form
    540,367.68/810,427.58 = 203,443.32/x
  3. Step 3: Cross multiply
    540,367.68x = 810,427.58 × 203,443.32
  4. Step 4: Simplify right side
    540,367.68x = 164,876,077,494.77
  5. Step 5: Solve for x
    x = 164,876,077,494.77/540,367.68
  6. Step 6: Final answer
    x = 305,118.32

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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.