Finding the Fourth Proportional to 371,643.39, 512,859.27 and 216,584.79
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Solution
The fourth proportional to 371,643.39, 512,859.27 and 216,584.79 is: 298,881.99
Step by Step Solution
- Step 1: Write the proportion equation
371,643.39 : 512,859.27 = 216,584.79 : x - Step 2: Convert to fraction form
371,643.39/512,859.27 = 216,584.79/x - Step 3: Cross multiply
371,643.39x = 512,859.27 × 216,584.79 - Step 4: Simplify right side
371,643.39x = 111,077,517,292.50 - Step 5: Solve for x
x = 111,077,517,292.50/371,643.39 - Step 6: Final answer
x = 298,881.99
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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.