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Finding the Fourth Proportional to 340,562.46, 510,056.37 and 328,752.66

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Solution

The fourth proportional to 340,562.46, 510,056.37 and 328,752.66 is: 492,368.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,562.46 : 510,056.37 = 328,752.66 : x
  2. Step 2: Convert to fraction form
    340,562.46/510,056.37 = 328,752.66/x
  3. Step 3: Cross multiply
    340,562.46x = 510,056.37 × 328,752.66
  4. Step 4: Simplify right side
    340,562.46x = 167,682,388,387.44
  5. Step 5: Solve for x
    x = 167,682,388,387.44/340,562.46
  6. Step 6: Final answer
    x = 492,368.97

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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.