Finding the Fourth Proportional to 303,531.20, 455,296.80 and 93,141.80
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Solution
The fourth proportional to 303,531.20, 455,296.80 and 93,141.80 is: 139,712.70
Step by Step Solution
- Step 1: Write the proportion equation
303,531.20 : 455,296.80 = 93,141.80 : x - Step 2: Convert to fraction form
303,531.20/455,296.80 = 93,141.80/x - Step 3: Cross multiply
303,531.20x = 455,296.80 × 93,141.80 - Step 4: Simplify right side
303,531.20x = 42,407,163,486.24 - Step 5: Solve for x
x = 42,407,163,486.24/303,531.20 - Step 6: Final answer
x = 139,712.70
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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.