Finding the Fourth Proportional to 296,347.80, 408,959.19 and 160,382.01
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Solution
The fourth proportional to 296,347.80, 408,959.19 and 160,382.01 is: 221,326.75
Step by Step Solution
- Step 1: Write the proportion equation
296,347.80 : 408,959.19 = 160,382.01 : x - Step 2: Convert to fraction form
296,347.80/408,959.19 = 160,382.01/x - Step 3: Cross multiply
296,347.80x = 408,959.19 × 160,382.01 - Step 4: Simplify right side
296,347.80x = 65,589,696,900.17 - Step 5: Solve for x
x = 65,589,696,900.17/296,347.80 - Step 6: Final answer
x = 221,326.75
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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.