Finding the Fourth Proportional to 223,465.79, 308,382.77 and 122,863.79
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Solution
The fourth proportional to 223,465.79, 308,382.77 and 122,863.79 is: 169,552.02
Step by Step Solution
- Step 1: Write the proportion equation
223,465.79 : 308,382.77 = 122,863.79 : x - Step 2: Convert to fraction form
223,465.79/308,382.77 = 122,863.79/x - Step 3: Cross multiply
223,465.79x = 308,382.77 × 122,863.79 - Step 4: Simplify right side
223,465.79x = 37,889,076,971.01 - Step 5: Solve for x
x = 37,889,076,971.01/223,465.79 - Step 6: Final answer
x = 169,552.02
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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.