Finding the Fourth Proportional to 135,028.08, 186,342.51 and 74,602.62
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Solution
The fourth proportional to 135,028.08, 186,342.51 and 74,602.62 is: 102,953.69
Step by Step Solution
- Step 1: Write the proportion equation
135,028.08 : 186,342.51 = 74,602.62 : x - Step 2: Convert to fraction form
135,028.08/186,342.51 = 74,602.62/x - Step 3: Cross multiply
135,028.08x = 186,342.51 × 74,602.62 - Step 4: Simplify right side
135,028.08x = 13,901,639,463.38 - Step 5: Solve for x
x = 13,901,639,463.38/135,028.08 - Step 6: Final answer
x = 102,953.69
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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.