Finding the Fourth Proportional to 208,985.19, 288,487.81 and 141,094.09
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Solution
The fourth proportional to 208,985.19, 288,487.81 and 141,094.09 is: 194,769.42
Step by Step Solution
- Step 1: Write the proportion equation
208,985.19 : 288,487.81 = 141,094.09 : x - Step 2: Convert to fraction form
208,985.19/288,487.81 = 141,094.09/x - Step 3: Cross multiply
208,985.19x = 288,487.81 × 141,094.09 - Step 4: Simplify right side
208,985.19x = 40,703,925,028.04 - Step 5: Solve for x
x = 40,703,925,028.04/208,985.19 - Step 6: Final answer
x = 194,769.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.