Finding the Fourth Proportional to 374,559.49, 561,844.43 and 121,841.31
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Solution
The fourth proportional to 374,559.49, 561,844.43 and 121,841.31 is: 182,763.65
Step by Step Solution
- Step 1: Write the proportion equation
374,559.49 : 561,844.43 = 121,841.31 : x - Step 2: Convert to fraction form
374,559.49/561,844.43 = 121,841.31/x - Step 3: Cross multiply
374,559.49x = 561,844.43 × 121,841.31 - Step 4: Simplify right side
374,559.49x = 68,455,858,238.78 - Step 5: Solve for x
x = 68,455,858,238.78/374,559.49 - Step 6: Final answer
x = 182,763.65
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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.