Finding the Fourth Proportional to 247,431.06, 370,668.96 and 147,670.92
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Solution
The fourth proportional to 247,431.06, 370,668.96 and 147,670.92 is: 221,221.32
Step by Step Solution
- Step 1: Write the proportion equation
247,431.06 : 370,668.96 = 147,670.92 : x - Step 2: Convert to fraction form
247,431.06/370,668.96 = 147,670.92/x - Step 3: Cross multiply
247,431.06x = 370,668.96 × 147,670.92 - Step 4: Simplify right side
247,431.06x = 54,737,026,338.64 - Step 5: Solve for x
x = 54,737,026,338.64/247,431.06 - Step 6: Final answer
x = 221,221.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.