Finding the Fourth Proportional to 117,268.17, 161,829.66 and 63,554.50
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Solution
The fourth proportional to 117,268.17, 161,829.66 and 63,554.50 is: 87,704.99
Step by Step Solution
- Step 1: Write the proportion equation
117,268.17 : 161,829.66 = 63,554.50 : x - Step 2: Convert to fraction form
117,268.17/161,829.66 = 63,554.50/x - Step 3: Cross multiply
117,268.17x = 161,829.66 × 63,554.50 - Step 4: Simplify right side
117,268.17x = 10,285,003,126.47 - Step 5: Solve for x
x = 10,285,003,126.47/117,268.17 - Step 6: Final answer
x = 87,704.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.