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Finding the Fourth Proportional to 540,801.08, 810,629.58 and 203,695.87

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Solution

The fourth proportional to 540,801.08, 810,629.58 and 203,695.87 is: 305,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,801.08 : 810,629.58 = 203,695.87 : x
  2. Step 2: Convert to fraction form
    540,801.08/810,629.58 = 203,695.87/x
  3. Step 3: Cross multiply
    540,801.08x = 810,629.58 × 203,695.87
  4. Step 4: Simplify right side
    540,801.08x = 165,121,897,545.84
  5. Step 5: Solve for x
    x = 165,121,897,545.84/540,801.08
  6. Step 6: Final answer
    x = 305,328.34

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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.