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Finding the Fourth Proportional to 540,312.94, 810,469.41 and 203,429.17

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Solution

The fourth proportional to 540,312.94, 810,469.41 and 203,429.17 is: 305,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,312.94 : 810,469.41 = 203,429.17 : x
  2. Step 2: Convert to fraction form
    540,312.94/810,469.41 = 203,429.17/x
  3. Step 3: Cross multiply
    540,312.94x = 810,469.41 × 203,429.17
  4. Step 4: Simplify right side
    540,312.94x = 164,873,119,636.92
  5. Step 5: Solve for x
    x = 164,873,119,636.92/540,312.94
  6. Step 6: Final answer
    x = 305,143.75

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Similar ratio
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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.