Finding the Fourth Proportional to 190,202.18, 262,415.28 and 109,627.97
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Solution
The fourth proportional to 190,202.18, 262,415.28 and 109,627.97 is: 151,249.87
Step by Step Solution
- Step 1: Write the proportion equation
190,202.18 : 262,415.28 = 109,627.97 : x - Step 2: Convert to fraction form
190,202.18/262,415.28 = 109,627.97/x - Step 3: Cross multiply
190,202.18x = 262,415.28 × 109,627.97 - Step 4: Simplify right side
190,202.18x = 28,768,054,495.31 - Step 5: Solve for x
x = 28,768,054,495.31/190,202.18 - Step 6: Final answer
x = 151,249.87
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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.