Home / 449,606.09-674,399.57-145,999.92

Finding the Fourth Proportional to 449,606.09, 674,399.57 and 145,999.92

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Solution

The fourth proportional to 449,606.09, 674,399.57 and 145,999.92 is: 218,996.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,606.09 : 674,399.57 = 145,999.92 : x
  2. Step 2: Convert to fraction form
    449,606.09/674,399.57 = 145,999.92/x
  3. Step 3: Cross multiply
    449,606.09x = 674,399.57 × 145,999.92
  4. Step 4: Simplify right side
    449,606.09x = 98,462,282,094.79
  5. Step 5: Solve for x
    x = 98,462,282,094.79/449,606.09
  6. Step 6: Final answer
    x = 218,996.77

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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.