Finding the Fourth Proportional to 368,382.09, 508,326.06 and 207,233.79
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Solution
The fourth proportional to 368,382.09, 508,326.06 and 207,233.79 is: 285,959.44
Step by Step Solution
- Step 1: Write the proportion equation
368,382.09 : 508,326.06 = 207,233.79 : x - Step 2: Convert to fraction form
368,382.09/508,326.06 = 207,233.79/x - Step 3: Cross multiply
368,382.09x = 508,326.06 × 207,233.79 - Step 4: Simplify right side
368,382.09x = 105,342,335,969.57 - Step 5: Solve for x
x = 105,342,335,969.57/368,382.09 - Step 6: Final answer
x = 285,959.44
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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.