Finding the Fourth Proportional to 247,235.20, 370,852.80 and 168,503.20
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Solution
The fourth proportional to 247,235.20, 370,852.80 and 168,503.20 is: 252,754.80
Step by Step Solution
- Step 1: Write the proportion equation
247,235.20 : 370,852.80 = 168,503.20 : x - Step 2: Convert to fraction form
247,235.20/370,852.80 = 168,503.20/x - Step 3: Cross multiply
247,235.20x = 370,852.80 × 168,503.20 - Step 4: Simplify right side
247,235.20x = 62,489,883,528.96 - Step 5: Solve for x
x = 62,489,883,528.96/247,235.20 - Step 6: Final answer
x = 252,754.80
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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.