Finding the Fourth Proportional to 303,875.60, 455,770.20 and 104,205.20
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Solution
The fourth proportional to 303,875.60, 455,770.20 and 104,205.20 is: 156,292.99
Step by Step Solution
- Step 1: Write the proportion equation
303,875.60 : 455,770.20 = 104,205.20 : x - Step 2: Convert to fraction form
303,875.60/455,770.20 = 104,205.20/x - Step 3: Cross multiply
303,875.60x = 455,770.20 × 104,205.20 - Step 4: Simplify right side
303,875.60x = 47,493,624,845.04 - Step 5: Solve for x
x = 47,493,624,845.04/303,875.60 - Step 6: Final answer
x = 156,292.99
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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.