Finding the Fourth Proportional to 103,462.63, 155,064.09 and 44,228.68
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Solution
The fourth proportional to 103,462.63, 155,064.09 and 44,228.68 is: 66,287.51
Step by Step Solution
- Step 1: Write the proportion equation
103,462.63 : 155,064.09 = 44,228.68 : x - Step 2: Convert to fraction form
103,462.63/155,064.09 = 44,228.68/x - Step 3: Cross multiply
103,462.63x = 155,064.09 × 44,228.68 - Step 4: Simplify right side
103,462.63x = 6,858,280,016.10 - Step 5: Solve for x
x = 6,858,280,016.10/103,462.63 - Step 6: Final answer
x = 66,287.51
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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.