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Finding the Fourth Proportional to 163,052.80, 244,579.20 and 148,618.60

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Solution

The fourth proportional to 163,052.80, 244,579.20 and 148,618.60 is: 222,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,052.80 : 244,579.20 = 148,618.60 : x
  2. Step 2: Convert to fraction form
    163,052.80/244,579.20 = 148,618.60/x
  3. Step 3: Cross multiply
    163,052.80x = 244,579.20 × 148,618.60
  4. Step 4: Simplify right side
    163,052.80x = 36,349,018,293.12
  5. Step 5: Solve for x
    x = 36,349,018,293.12/163,052.80
  6. Step 6: Final answer
    x = 222,927.90

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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.