Finding the Fourth Proportional to 144,496.08, 199,317.96 and 91,504.08
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Solution
The fourth proportional to 144,496.08, 199,317.96 and 91,504.08 is: 126,220.77
Step by Step Solution
- Step 1: Write the proportion equation
144,496.08 : 199,317.96 = 91,504.08 : x - Step 2: Convert to fraction form
144,496.08/199,317.96 = 91,504.08/x - Step 3: Cross multiply
144,496.08x = 199,317.96 × 91,504.08 - Step 4: Simplify right side
144,496.08x = 18,238,406,557.28 - Step 5: Solve for x
x = 18,238,406,557.28/144,496.08 - Step 6: Final answer
x = 126,220.77
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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.