Finding the Fourth Proportional to 371,705.96, 512,956.68 and 201,940.04
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Solution
The fourth proportional to 371,705.96, 512,956.68 and 201,940.04 is: 278,678.59
Step by Step Solution
- Step 1: Write the proportion equation
371,705.96 : 512,956.68 = 201,940.04 : x - Step 2: Convert to fraction form
371,705.96/512,956.68 = 201,940.04/x - Step 3: Cross multiply
371,705.96x = 512,956.68 × 201,940.04 - Step 4: Simplify right side
371,705.96x = 103,586,492,477.47 - Step 5: Solve for x
x = 103,586,492,477.47/371,705.96 - Step 6: Final answer
x = 278,678.59
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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.