Finding the Fourth Proportional to 303,465.60, 455,716.80 and 163,497.60
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Solution
The fourth proportional to 303,465.60, 455,716.80 and 163,497.60 is: 245,525.70
Step by Step Solution
- Step 1: Write the proportion equation
303,465.60 : 455,716.80 = 163,497.60 : x - Step 2: Convert to fraction form
303,465.60/455,716.80 = 163,497.60/x - Step 3: Cross multiply
303,465.60x = 455,716.80 × 163,497.60 - Step 4: Simplify right side
303,465.60x = 74,508,603,079.68 - Step 5: Solve for x
x = 74,508,603,079.68/303,465.60 - Step 6: Final answer
x = 245,525.70
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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.