Finding the Fourth Proportional to 135,226.30, 186,599.74 and 74,795.65
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Solution
The fourth proportional to 135,226.30, 186,599.74 and 74,795.65 is: 103,211.05
Step by Step Solution
- Step 1: Write the proportion equation
135,226.30 : 186,599.74 = 74,795.65 : x - Step 2: Convert to fraction form
135,226.30/186,599.74 = 74,795.65/x - Step 3: Cross multiply
135,226.30x = 186,599.74 × 74,795.65 - Step 4: Simplify right side
135,226.30x = 13,956,848,843.13 - Step 5: Solve for x
x = 13,956,848,843.13/135,226.30 - Step 6: Final answer
x = 103,211.05
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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.