Finding the Fourth Proportional to 98,497.82, 136,844.66 and 97,316.84
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Solution
The fourth proportional to 98,497.82, 136,844.66 and 97,316.84 is: 135,203.90
Step by Step Solution
- Step 1: Write the proportion equation
98,497.82 : 136,844.66 = 97,316.84 : x - Step 2: Convert to fraction form
98,497.82/136,844.66 = 97,316.84/x - Step 3: Cross multiply
98,497.82x = 136,844.66 × 97,316.84 - Step 4: Simplify right side
98,497.82x = 13,317,289,882.07 - Step 5: Solve for x
x = 13,317,289,882.07/98,497.82 - Step 6: Final answer
x = 135,203.90
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.