Finding the Fourth Proportional to 190,936.44, 285,968.68 and 91,166.66
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Solution
The fourth proportional to 190,936.44, 285,968.68 and 91,166.66 is: 136,541.83
Step by Step Solution
- Step 1: Write the proportion equation
190,936.44 : 285,968.68 = 91,166.66 : x - Step 2: Convert to fraction form
190,936.44/285,968.68 = 91,166.66/x - Step 3: Cross multiply
190,936.44x = 285,968.68 × 91,166.66 - Step 4: Simplify right side
190,936.44x = 26,070,810,443.41 - Step 5: Solve for x
x = 26,070,810,443.41/190,936.44 - Step 6: Final answer
x = 136,541.83
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1.5x scale
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.