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Finding the Fourth Proportional to 618,502.12, 927,460.72 and 239,600.32

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Solution

The fourth proportional to 618,502.12, 927,460.72 and 239,600.32 is: 359,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,502.12 : 927,460.72 = 239,600.32 : x
  2. Step 2: Convert to fraction form
    618,502.12/927,460.72 = 239,600.32/x
  3. Step 3: Cross multiply
    618,502.12x = 927,460.72 × 239,600.32
  4. Step 4: Simplify right side
    618,502.12x = 222,219,885,299.43
  5. Step 5: Solve for x
    x = 222,219,885,299.43/618,502.12
  6. Step 6: Final answer
    x = 359,287.18

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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.