Finding the Fourth Proportional to 228,493.80, 342,799.83 and 133,803.99
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Solution
The fourth proportional to 228,493.80, 342,799.83 and 133,803.99 is: 200,740.61
Step by Step Solution
- Step 1: Write the proportion equation
228,493.80 : 342,799.83 = 133,803.99 : x - Step 2: Convert to fraction form
228,493.80/342,799.83 = 133,803.99/x - Step 3: Cross multiply
228,493.80x = 342,799.83 × 133,803.99 - Step 4: Simplify right side
228,493.80x = 45,867,985,025.32 - Step 5: Solve for x
x = 45,867,985,025.32/228,493.80 - Step 6: Final answer
x = 200,740.61
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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.