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Finding the Fourth Proportional to 618,499.85, 927,457.37 and 239,598.05

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Solution

The fourth proportional to 618,499.85, 927,457.37 and 239,598.05 is: 359,283.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,499.85 : 927,457.37 = 239,598.05 : x
  2. Step 2: Convert to fraction form
    618,499.85/927,457.37 = 239,598.05/x
  3. Step 3: Cross multiply
    618,499.85x = 927,457.37 × 239,598.05
  4. Step 4: Simplify right side
    618,499.85x = 222,216,976,112.14
  5. Step 5: Solve for x
    x = 222,216,976,112.14/618,499.85
  6. Step 6: Final answer
    x = 359,283.80

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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.