Finding the Fourth Proportional to 190,161.81, 285,225.66 and 57,071.79
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Solution
The fourth proportional to 190,161.81, 285,225.66 and 57,071.79 is: 85,602.57
Step by Step Solution
- Step 1: Write the proportion equation
190,161.81 : 285,225.66 = 57,071.79 : x - Step 2: Convert to fraction form
190,161.81/285,225.66 = 57,071.79/x - Step 3: Cross multiply
190,161.81x = 285,225.66 × 57,071.79 - Step 4: Simplify right side
190,161.81x = 16,278,338,970.13 - Step 5: Solve for x
x = 16,278,338,970.13/190,161.81 - Step 6: Final answer
x = 85,602.57
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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.