Finding the Fourth Proportional to 311,097.80, 466,646.70 and 248,889.80
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Solution
The fourth proportional to 311,097.80, 466,646.70 and 248,889.80 is: 373,334.70
Step by Step Solution
- Step 1: Write the proportion equation
311,097.80 : 466,646.70 = 248,889.80 : x - Step 2: Convert to fraction form
311,097.80/466,646.70 = 248,889.80/x - Step 3: Cross multiply
311,097.80x = 466,646.70 × 248,889.80 - Step 4: Simplify right side
311,097.80x = 116,143,603,833.66 - Step 5: Solve for x
x = 116,143,603,833.66/311,097.80 - Step 6: Final answer
x = 373,334.70
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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.