Finding the Fourth Proportional to 317,925.73, 438,736.26 and 181,959.13
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Solution
The fourth proportional to 317,925.73, 438,736.26 and 181,959.13 is: 251,102.89
Step by Step Solution
- Step 1: Write the proportion equation
317,925.73 : 438,736.26 = 181,959.13 : x - Step 2: Convert to fraction form
317,925.73/438,736.26 = 181,959.13/x - Step 3: Cross multiply
317,925.73x = 438,736.26 × 181,959.13 - Step 4: Simplify right side
317,925.73x = 79,832,068,169.05 - Step 5: Solve for x
x = 79,832,068,169.05/317,925.73 - Step 6: Final answer
x = 251,102.89
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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.