Finding the Fourth Proportional to 178,965.59, 246,948.62 and 110,957.81
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Solution
The fourth proportional to 178,965.59, 246,948.62 and 110,957.81 is: 153,106.96
Step by Step Solution
- Step 1: Write the proportion equation
178,965.59 : 246,948.62 = 110,957.81 : x - Step 2: Convert to fraction form
178,965.59/246,948.62 = 110,957.81/x - Step 3: Cross multiply
178,965.59x = 246,948.62 × 110,957.81 - Step 4: Simplify right side
178,965.59x = 27,400,876,268.19 - Step 5: Solve for x
x = 27,400,876,268.19/178,965.59 - Step 6: Final answer
x = 153,106.96
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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.