Finding the Fourth Proportional to 317,637.23, 438,214.37 and 181,598.09
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Solution
The fourth proportional to 317,637.23, 438,214.37 and 181,598.09 is: 250,533.89
Step by Step Solution
- Step 1: Write the proportion equation
317,637.23 : 438,214.37 = 181,598.09 : x - Step 2: Convert to fraction form
317,637.23/438,214.37 = 181,598.09/x - Step 3: Cross multiply
317,637.23x = 438,214.37 × 181,598.09 - Step 4: Simplify right side
317,637.23x = 79,578,889,503.49 - Step 5: Solve for x
x = 79,578,889,503.49/317,637.23 - Step 6: Final answer
x = 250,533.89
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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.