Finding the Fourth Proportional to 303,409.80, 455,114.70 and 185,311.80
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Solution
The fourth proportional to 303,409.80, 455,114.70 and 185,311.80 is: 277,967.70
Step by Step Solution
- Step 1: Write the proportion equation
303,409.80 : 455,114.70 = 185,311.80 : x - Step 2: Convert to fraction form
303,409.80/455,114.70 = 185,311.80/x - Step 3: Cross multiply
303,409.80x = 455,114.70 × 185,311.80 - Step 4: Simplify right side
303,409.80x = 84,338,124,263.46 - Step 5: Solve for x
x = 84,338,124,263.46/303,409.80 - Step 6: Final answer
x = 277,967.70
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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.