Finding the Fourth Proportional to 348,574.42, 481,042.28 and 195,621.99
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Solution
The fourth proportional to 348,574.42, 481,042.28 and 195,621.99 is: 269,963.72
Step by Step Solution
- Step 1: Write the proportion equation
348,574.42 : 481,042.28 = 195,621.99 : x - Step 2: Convert to fraction form
348,574.42/481,042.28 = 195,621.99/x - Step 3: Cross multiply
348,574.42x = 481,042.28 × 195,621.99 - Step 4: Simplify right side
348,574.42x = 94,102,448,087.74 - Step 5: Solve for x
x = 94,102,448,087.74/348,574.42 - Step 6: Final answer
x = 269,963.72
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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.