Finding the Fourth Proportional to 261,466.19, 392,147.64 and 71,877.63
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Solution
The fourth proportional to 261,466.19, 392,147.64 and 71,877.63 is: 107,802.26
Step by Step Solution
- Step 1: Write the proportion equation
261,466.19 : 392,147.64 = 71,877.63 : x - Step 2: Convert to fraction form
261,466.19/392,147.64 = 71,877.63/x - Step 3: Cross multiply
261,466.19x = 392,147.64 × 71,877.63 - Step 4: Simplify right side
261,466.19x = 28,186,644,593.23 - Step 5: Solve for x
x = 28,186,644,593.23/261,466.19 - Step 6: Final answer
x = 107,802.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.