Finding the Fourth Proportional to 191,988.43, 287,749.14 and 135,844.75
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Solution
The fourth proportional to 191,988.43, 287,749.14 and 135,844.75 is: 203,601.90
Step by Step Solution
- Step 1: Write the proportion equation
191,988.43 : 287,749.14 = 135,844.75 : x - Step 2: Convert to fraction form
191,988.43/287,749.14 = 135,844.75/x - Step 3: Cross multiply
191,988.43x = 287,749.14 × 135,844.75 - Step 4: Simplify right side
191,988.43x = 39,089,209,986.02 - Step 5: Solve for x
x = 39,089,209,986.02/191,988.43 - Step 6: Final answer
x = 203,601.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.