Finding the Fourth Proportional to 117,341.02, 161,924.15 and 66,350.82
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Solution
The fourth proportional to 117,341.02, 161,924.15 and 66,350.82 is: 91,560.48
Step by Step Solution
- Step 1: Write the proportion equation
117,341.02 : 161,924.15 = 66,350.82 : x - Step 2: Convert to fraction form
117,341.02/161,924.15 = 66,350.82/x - Step 3: Cross multiply
117,341.02x = 161,924.15 × 66,350.82 - Step 4: Simplify right side
117,341.02x = 10,743,800,296.18 - Step 5: Solve for x
x = 10,743,800,296.18/117,341.02 - Step 6: Final answer
x = 91,560.48
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1.5x scale
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.