Finding the Fourth Proportional to 374,793.42, 517,213.29 and 202,711.56
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Solution
The fourth proportional to 374,793.42, 517,213.29 and 202,711.56 is: 279,741.07
Step by Step Solution
- Step 1: Write the proportion equation
374,793.42 : 517,213.29 = 202,711.56 : x - Step 2: Convert to fraction form
374,793.42/517,213.29 = 202,711.56/x - Step 3: Cross multiply
374,793.42x = 517,213.29 × 202,711.56 - Step 4: Simplify right side
374,793.42x = 104,845,112,868.63 - Step 5: Solve for x
x = 104,845,112,868.63/374,793.42 - Step 6: Final answer
x = 279,741.07
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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.