Finding the Fourth Proportional to 162,203.73, 223,716.75 and 97,605.62
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Solution
The fourth proportional to 162,203.73, 223,716.75 and 97,605.62 is: 134,620.91
Step by Step Solution
- Step 1: Write the proportion equation
162,203.73 : 223,716.75 = 97,605.62 : x - Step 2: Convert to fraction form
162,203.73/223,716.75 = 97,605.62/x - Step 3: Cross multiply
162,203.73x = 223,716.75 × 97,605.62 - Step 4: Simplify right side
162,203.73x = 21,836,013,249.91 - Step 5: Solve for x
x = 21,836,013,249.91/162,203.73 - Step 6: Final answer
x = 134,620.91
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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.