Finding the Fourth Proportional to 399,801.53, 599,806.09 and 119,318.81
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Solution
The fourth proportional to 399,801.53, 599,806.09 and 119,318.81 is: 179,009.19
Step by Step Solution
- Step 1: Write the proportion equation
399,801.53 : 599,806.09 = 119,318.81 : x - Step 2: Convert to fraction form
399,801.53/599,806.09 = 119,318.81/x - Step 3: Cross multiply
399,801.53x = 599,806.09 × 119,318.81 - Step 4: Simplify right side
399,801.53x = 71,568,145,592.23 - Step 5: Solve for x
x = 71,568,145,592.23/399,801.53 - Step 6: Final answer
x = 179,009.19
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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.