Finding the Fourth Proportional to 247,220.40, 370,830.60 and 69,725.10
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Solution
The fourth proportional to 247,220.40, 370,830.60 and 69,725.10 is: 104,587.65
Step by Step Solution
- Step 1: Write the proportion equation
247,220.40 : 370,830.60 = 69,725.10 : x - Step 2: Convert to fraction form
247,220.40/370,830.60 = 69,725.10/x - Step 3: Cross multiply
247,220.40x = 370,830.60 × 69,725.10 - Step 4: Simplify right side
247,220.40x = 25,856,200,668.06 - Step 5: Solve for x
x = 25,856,200,668.06/247,220.40 - Step 6: Final answer
x = 104,587.65
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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.