Finding the Fourth Proportional to 342,939.97, 514,443.75 and 118,270.99
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Solution
The fourth proportional to 342,939.97, 514,443.75 and 118,270.99 is: 177,418.14
Step by Step Solution
- Step 1: Write the proportion equation
342,939.97 : 514,443.75 = 118,270.99 : x - Step 2: Convert to fraction form
342,939.97/514,443.75 = 118,270.99/x - Step 3: Cross multiply
342,939.97x = 514,443.75 × 118,270.99 - Step 4: Simplify right side
342,939.97x = 60,843,771,611.81 - Step 5: Solve for x
x = 60,843,771,611.81/342,939.97 - Step 6: Final answer
x = 177,418.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.