Finding the Fourth Proportional to 317,970.37, 438,823.56 and 182,047.09
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Solution
The fourth proportional to 317,970.37, 438,823.56 and 182,047.09 is: 251,238.98
Step by Step Solution
- Step 1: Write the proportion equation
317,970.37 : 438,823.56 = 182,047.09 : x - Step 2: Convert to fraction form
317,970.37/438,823.56 = 182,047.09/x - Step 3: Cross multiply
317,970.37x = 438,823.56 × 182,047.09 - Step 4: Simplify right side
317,970.37x = 79,886,552,121.44 - Step 5: Solve for x
x = 79,886,552,121.44/317,970.37 - Step 6: Final answer
x = 251,238.98
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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.