Finding the Fourth Proportional to 171,090.62, 256,636.06 and 46,431.62
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Solution
The fourth proportional to 171,090.62, 256,636.06 and 46,431.62 is: 69,647.47
Step by Step Solution
- Step 1: Write the proportion equation
171,090.62 : 256,636.06 = 46,431.62 : x - Step 2: Convert to fraction form
171,090.62/256,636.06 = 46,431.62/x - Step 3: Cross multiply
171,090.62x = 256,636.06 × 46,431.62 - Step 4: Simplify right side
171,090.62x = 11,916,028,016.22 - Step 5: Solve for x
x = 11,916,028,016.22/171,090.62 - Step 6: Final answer
x = 69,647.47
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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.