Finding the Fourth Proportional to 374,836.71, 517,273.11 and 202,754.79
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Solution
The fourth proportional to 374,836.71, 517,273.11 and 202,754.79 is: 279,800.77
Step by Step Solution
- Step 1: Write the proportion equation
374,836.71 : 517,273.11 = 202,754.79 : x - Step 2: Convert to fraction form
374,836.71/517,273.11 = 202,754.79/x - Step 3: Cross multiply
374,836.71x = 517,273.11 × 202,754.79 - Step 4: Simplify right side
374,836.71x = 104,879,600,790.70 - Step 5: Solve for x
x = 104,879,600,790.70/374,836.71 - Step 6: Final answer
x = 279,800.77
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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.