Finding the Fourth Proportional to 371,786.84, 513,069.08 and 202,020.96
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Solution
The fourth proportional to 371,786.84, 513,069.08 and 202,020.96 is: 278,790.68
Step by Step Solution
- Step 1: Write the proportion equation
371,786.84 : 513,069.08 = 202,020.96 : x - Step 2: Convert to fraction form
371,786.84/513,069.08 = 202,020.96/x - Step 3: Cross multiply
371,786.84x = 513,069.08 × 202,020.96 - Step 4: Simplify right side
371,786.84x = 103,650,705,522.57 - Step 5: Solve for x
x = 103,650,705,522.57/371,786.84 - Step 6: Final answer
x = 278,790.68
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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.