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Finding the Fourth Proportional to 335,915.48, 463,563.36 and 185,012.48

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Solution

The fourth proportional to 335,915.48, 463,563.36 and 185,012.48 is: 255,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,915.48 : 463,563.36 = 185,012.48 : x
  2. Step 2: Convert to fraction form
    335,915.48/463,563.36 = 185,012.48/x
  3. Step 3: Cross multiply
    335,915.48x = 463,563.36 × 185,012.48
  4. Step 4: Simplify right side
    335,915.48x = 85,765,006,870.73
  5. Step 5: Solve for x
    x = 85,765,006,870.73/335,915.48
  6. Step 6: Final answer
    x = 255,317.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.