Finding the Fourth Proportional to 183,381.40, 253,084.26 and 102,809.08
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Solution
The fourth proportional to 183,381.40, 253,084.26 and 102,809.08 is: 141,886.58
Step by Step Solution
- Step 1: Write the proportion equation
183,381.40 : 253,084.26 = 102,809.08 : x - Step 2: Convert to fraction form
183,381.40/253,084.26 = 102,809.08/x - Step 3: Cross multiply
183,381.40x = 253,084.26 × 102,809.08 - Step 4: Simplify right side
183,381.40x = 26,019,359,933.08 - Step 5: Solve for x
x = 26,019,359,933.08/183,381.40 - Step 6: Final answer
x = 141,886.58
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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.