Finding the Fourth Proportional to 311,358.95, 466,675.49 and 142,897.07
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Solution
The fourth proportional to 311,358.95, 466,675.49 and 142,897.07 is: 214,179.04
Step by Step Solution
- Step 1: Write the proportion equation
311,358.95 : 466,675.49 = 142,897.07 : x - Step 2: Convert to fraction form
311,358.95/466,675.49 = 142,897.07/x - Step 3: Cross multiply
311,358.95x = 466,675.49 × 142,897.07 - Step 4: Simplify right side
311,358.95x = 66,686,560,161.81 - Step 5: Solve for x
x = 66,686,560,161.81/311,358.95 - Step 6: Final answer
x = 214,179.04
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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.