Finding the Fourth Proportional to 136,237.68, 204,378.12 and 47,466.36
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Solution
The fourth proportional to 136,237.68, 204,378.12 and 47,466.36 is: 71,207.07
Step by Step Solution
- Step 1: Write the proportion equation
136,237.68 : 204,378.12 = 47,466.36 : x - Step 2: Convert to fraction form
136,237.68/204,378.12 = 47,466.36/x - Step 3: Cross multiply
136,237.68x = 204,378.12 × 47,466.36 - Step 4: Simplify right side
136,237.68x = 9,701,085,420.04 - Step 5: Solve for x
x = 9,701,085,420.04/136,237.68 - Step 6: Final answer
x = 71,207.07
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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.