Finding the Fourth Proportional to 136,494.18, 204,781.91 and 98,629.02
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Solution
The fourth proportional to 136,494.18, 204,781.91 and 98,629.02 is: 147,972.90
Step by Step Solution
- Step 1: Write the proportion equation
136,494.18 : 204,781.91 = 98,629.02 : x - Step 2: Convert to fraction form
136,494.18/204,781.91 = 98,629.02/x - Step 3: Cross multiply
136,494.18x = 204,781.91 × 98,629.02 - Step 4: Simplify right side
136,494.18x = 20,197,439,097.03 - Step 5: Solve for x
x = 20,197,439,097.03/136,494.18 - Step 6: Final answer
x = 147,972.90
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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.