Finding the Fourth Proportional to 136,289.69, 204,461.28 and 47,546.09
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Solution
The fourth proportional to 136,289.69, 204,461.28 and 47,546.09 is: 71,328.47
Step by Step Solution
- Step 1: Write the proportion equation
136,289.69 : 204,461.28 = 47,546.09 : x - Step 2: Convert to fraction form
136,289.69/204,461.28 = 47,546.09/x - Step 3: Cross multiply
136,289.69x = 204,461.28 × 47,546.09 - Step 4: Simplify right side
136,289.69x = 9,721,334,420.40 - Step 5: Solve for x
x = 9,721,334,420.40/136,289.69 - Step 6: Final answer
x = 71,328.47
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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.