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Finding the Fourth Proportional to 370,161.60, 554,464.80 and 203,755.20

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Solution

The fourth proportional to 370,161.60, 554,464.80 and 203,755.20 is: 305,204.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,161.60 : 554,464.80 = 203,755.20 : x
  2. Step 2: Convert to fraction form
    370,161.60/554,464.80 = 203,755.20/x
  3. Step 3: Cross multiply
    370,161.60x = 554,464.80 × 203,755.20
  4. Step 4: Simplify right side
    370,161.60x = 112,975,086,216.96
  5. Step 5: Solve for x
    x = 112,975,086,216.96/370,161.60
  6. Step 6: Final answer
    x = 305,204.77

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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.