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Finding the Fourth Proportional to 340,563.75, 510,058.31 and 328,753.95

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Solution

The fourth proportional to 340,563.75, 510,058.31 and 328,753.95 is: 492,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,563.75 : 510,058.31 = 328,753.95 : x
  2. Step 2: Convert to fraction form
    340,563.75/510,058.31 = 328,753.95/x
  3. Step 3: Cross multiply
    340,563.75x = 510,058.31 × 328,753.95
  4. Step 4: Simplify right side
    340,563.75x = 167,683,682,499.06
  5. Step 5: Solve for x
    x = 167,683,682,499.06/340,563.75
  6. Step 6: Final answer
    x = 492,370.91

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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.