Finding the Fourth Proportional to 190,627.68, 263,097.76 and 105,772.08
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Solution
The fourth proportional to 190,627.68, 263,097.76 and 105,772.08 is: 145,982.98
Step by Step Solution
- Step 1: Write the proportion equation
190,627.68 : 263,097.76 = 105,772.08 : x - Step 2: Convert to fraction form
190,627.68/263,097.76 = 105,772.08/x - Step 3: Cross multiply
190,627.68x = 263,097.76 × 105,772.08 - Step 4: Simplify right side
190,627.68x = 27,828,397,318.54 - Step 5: Solve for x
x = 27,828,397,318.54/190,627.68 - Step 6: Final answer
x = 145,982.98
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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.