Finding the Fourth Proportional to 135,233.02, 186,619.27 and 74,803.62
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Solution
The fourth proportional to 135,233.02, 186,619.27 and 74,803.62 is: 103,227.72
Step by Step Solution
- Step 1: Write the proportion equation
135,233.02 : 186,619.27 = 74,803.62 : x - Step 2: Convert to fraction form
135,233.02/186,619.27 = 74,803.62/x - Step 3: Cross multiply
135,233.02x = 186,619.27 × 74,803.62 - Step 4: Simplify right side
135,233.02x = 13,959,796,561.09 - Step 5: Solve for x
x = 13,959,796,561.09/135,233.02 - Step 6: Final answer
x = 103,227.72
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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.