Finding the Fourth Proportional to 371,817.41, 513,117.79 and 202,051.53
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Solution
The fourth proportional to 371,817.41, 513,117.79 and 202,051.53 is: 278,836.42
Step by Step Solution
- Step 1: Write the proportion equation
371,817.41 : 513,117.79 = 202,051.53 : x - Step 2: Convert to fraction form
371,817.41/513,117.79 = 202,051.53/x - Step 3: Cross multiply
371,817.41x = 513,117.79 × 202,051.53 - Step 4: Simplify right side
371,817.41x = 103,676,234,034.59 - Step 5: Solve for x
x = 103,676,234,034.59/371,817.41 - Step 6: Final answer
x = 278,836.42
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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.