Finding the Fourth Proportional to 193,119.18, 266,532.05 and 107,097.29
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Solution
The fourth proportional to 193,119.18, 266,532.05 and 107,097.29 is: 147,809.56
Step by Step Solution
- Step 1: Write the proportion equation
193,119.18 : 266,532.05 = 107,097.29 : x - Step 2: Convert to fraction form
193,119.18/266,532.05 = 107,097.29/x - Step 3: Cross multiply
193,119.18x = 266,532.05 × 107,097.29 - Step 4: Simplify right side
193,119.18x = 28,544,861,084.54 - Step 5: Solve for x
x = 28,544,861,084.54/193,119.18 - Step 6: Final answer
x = 147,809.56
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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.