Finding the Fourth Proportional to 235,744.08, 325,319.94 and 128,311.62
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Solution
The fourth proportional to 235,744.08, 325,319.94 and 128,311.62 is: 177,066.29
Step by Step Solution
- Step 1: Write the proportion equation
235,744.08 : 325,319.94 = 128,311.62 : x - Step 2: Convert to fraction form
235,744.08/325,319.94 = 128,311.62/x - Step 3: Cross multiply
235,744.08x = 325,319.94 × 128,311.62 - Step 4: Simplify right side
235,744.08x = 41,742,328,519.70 - Step 5: Solve for x
x = 41,742,328,519.70/235,744.08 - Step 6: Final answer
x = 177,066.29
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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.