Finding the Fourth Proportional to 174,636.03, 261,734.90 and 74,678.68
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Solution
The fourth proportional to 174,636.03, 261,734.90 and 74,678.68 is: 111,924.32
Step by Step Solution
- Step 1: Write the proportion equation
174,636.03 : 261,734.90 = 74,678.68 : x - Step 2: Convert to fraction form
174,636.03/261,734.90 = 74,678.68/x - Step 3: Cross multiply
174,636.03x = 261,734.90 × 74,678.68 - Step 4: Simplify right side
174,636.03x = 19,546,017,531.84 - Step 5: Solve for x
x = 19,546,017,531.84/174,636.03 - Step 6: Final answer
x = 111,924.32
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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.