Finding the Fourth Proportional to 294,838.81, 442,172.69 and 114,884.09
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Solution
The fourth proportional to 294,838.81, 442,172.69 and 114,884.09 is: 172,292.81
Step by Step Solution
- Step 1: Write the proportion equation
294,838.81 : 442,172.69 = 114,884.09 : x - Step 2: Convert to fraction form
294,838.81/442,172.69 = 114,884.09/x - Step 3: Cross multiply
294,838.81x = 442,172.69 × 114,884.09 - Step 4: Simplify right side
294,838.81x = 50,798,606,539.08 - Step 5: Solve for x
x = 50,798,606,539.08/294,838.81 - Step 6: Final answer
x = 172,292.81
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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.