Finding the Fourth Proportional to 371,787.46, 513,069.94 and 202,021.58
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Solution
The fourth proportional to 371,787.46, 513,069.94 and 202,021.58 is: 278,791.54
Step by Step Solution
- Step 1: Write the proportion equation
371,787.46 : 513,069.94 = 202,021.58 : x - Step 2: Convert to fraction form
371,787.46/513,069.94 = 202,021.58/x - Step 3: Cross multiply
371,787.46x = 513,069.94 × 202,021.58 - Step 4: Simplify right side
371,787.46x = 103,651,199,929.31 - Step 5: Solve for x
x = 103,651,199,929.31/371,787.46 - Step 6: Final answer
x = 278,791.54
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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.