Finding the Fourth Proportional to 136,204.81, 204,308.12 and 47,459.99
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Solution
The fourth proportional to 136,204.81, 204,308.12 and 47,459.99 is: 71,190.31
Step by Step Solution
- Step 1: Write the proportion equation
136,204.81 : 204,308.12 = 47,459.99 : x - Step 2: Convert to fraction form
136,204.81/204,308.12 = 47,459.99/x - Step 3: Cross multiply
136,204.81x = 204,308.12 × 47,459.99 - Step 4: Simplify right side
136,204.81x = 9,696,461,961.54 - Step 5: Solve for x
x = 9,696,461,961.54/136,204.81 - Step 6: Final answer
x = 71,190.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.