Finding the Fourth Proportional to 174,338.10, 261,440.73 and 74,544.48
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Solution
The fourth proportional to 174,338.10, 261,440.73 and 74,544.48 is: 111,788.32
Step by Step Solution
- Step 1: Write the proportion equation
174,338.10 : 261,440.73 = 74,544.48 : x - Step 2: Convert to fraction form
174,338.10/261,440.73 = 74,544.48/x - Step 3: Cross multiply
174,338.10x = 261,440.73 × 74,544.48 - Step 4: Simplify right side
174,338.10x = 19,488,963,268.67 - Step 5: Solve for x
x = 19,488,963,268.67/174,338.10 - Step 6: Final answer
x = 111,788.32
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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.