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Finding the Fourth Proportional to 245,647.80, 365,936.51 and 238,213.80

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Solution

The fourth proportional to 245,647.80, 365,936.51 and 238,213.80 is: 354,862.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,647.80 : 365,936.51 = 238,213.80 : x
  2. Step 2: Convert to fraction form
    245,647.80/365,936.51 = 238,213.80/x
  3. Step 3: Cross multiply
    245,647.80x = 365,936.51 × 238,213.80
  4. Step 4: Simplify right side
    245,647.80x = 87,171,127,201.37
  5. Step 5: Solve for x
    x = 87,171,127,201.37/245,647.80
  6. Step 6: Final answer
    x = 354,862.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.