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Finding the Fourth Proportional to 340,558.06, 510,049.71 and 328,748.26

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Solution

The fourth proportional to 340,558.06, 510,049.71 and 328,748.26 is: 492,362.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,558.06 : 510,049.71 = 328,748.26 : x
  2. Step 2: Convert to fraction form
    340,558.06/510,049.71 = 328,748.26/x
  3. Step 3: Cross multiply
    340,558.06x = 510,049.71 × 328,748.26
  4. Step 4: Simplify right side
    340,558.06x = 167,677,954,676.01
  5. Step 5: Solve for x
    x = 167,677,954,676.01/340,558.06
  6. Step 6: Final answer
    x = 492,362.31

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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.