Finding the Fourth Proportional to 310,730.49, 428,798.73 and 174,771.99
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Solution
The fourth proportional to 310,730.49, 428,798.73 and 174,771.99 is: 241,180.09
Step by Step Solution
- Step 1: Write the proportion equation
310,730.49 : 428,798.73 = 174,771.99 : x - Step 2: Convert to fraction form
310,730.49/428,798.73 = 174,771.99/x - Step 3: Cross multiply
310,730.49x = 428,798.73 × 174,771.99 - Step 4: Simplify right side
310,730.49x = 74,942,007,351.57 - Step 5: Solve for x
x = 74,942,007,351.57/310,730.49 - Step 6: Final answer
x = 241,180.09
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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.