Finding the Fourth Proportional to 158,370.82, 218,468.87 and 97,922.14
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Solution
The fourth proportional to 158,370.82, 218,468.87 and 97,922.14 is: 135,081.32
Step by Step Solution
- Step 1: Write the proportion equation
158,370.82 : 218,468.87 = 97,922.14 : x - Step 2: Convert to fraction form
158,370.82/218,468.87 = 97,922.14/x - Step 3: Cross multiply
158,370.82x = 218,468.87 × 97,922.14 - Step 4: Simplify right side
158,370.82x = 21,392,938,605.21 - Step 5: Solve for x
x = 21,392,938,605.21/158,370.82 - Step 6: Final answer
x = 135,081.32
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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.