Finding the Fourth Proportional to 310,797.84, 428,860.67 and 174,827.19
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Solution
The fourth proportional to 310,797.84, 428,860.67 and 174,827.19 is: 241,238.82
Step by Step Solution
- Step 1: Write the proportion equation
310,797.84 : 428,860.67 = 174,827.19 : x - Step 2: Convert to fraction form
310,797.84/428,860.67 = 174,827.19/x - Step 3: Cross multiply
310,797.84x = 428,860.67 × 174,827.19 - Step 4: Simplify right side
310,797.84x = 74,976,504,963.48 - Step 5: Solve for x
x = 74,976,504,963.48/310,797.84 - Step 6: Final answer
x = 241,238.82
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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.