Finding the Fourth Proportional to 183,957.21, 253,889.98 and 107,521.56
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Solution
The fourth proportional to 183,957.21, 253,889.98 and 107,521.56 is: 148,396.72
Step by Step Solution
- Step 1: Write the proportion equation
183,957.21 : 253,889.98 = 107,521.56 : x - Step 2: Convert to fraction form
183,957.21/253,889.98 = 107,521.56/x - Step 3: Cross multiply
183,957.21x = 253,889.98 × 107,521.56 - Step 4: Simplify right side
183,957.21x = 27,298,646,449.16 - Step 5: Solve for x
x = 27,298,646,449.16/183,957.21 - Step 6: Final answer
x = 148,396.72
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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.