Finding the Fourth Proportional to 296,330.05, 408,936.48 and 160,363.95
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Solution
The fourth proportional to 296,330.05, 408,936.48 and 160,363.95 is: 221,302.80
Step by Step Solution
- Step 1: Write the proportion equation
296,330.05 : 408,936.48 = 160,363.95 : x - Step 2: Convert to fraction form
296,330.05/408,936.48 = 160,363.95/x - Step 3: Cross multiply
296,330.05x = 408,936.48 × 160,363.95 - Step 4: Simplify right side
296,330.05x = 65,578,670,299.33 - Step 5: Solve for x
x = 65,578,670,299.33/296,330.05 - Step 6: Final answer
x = 221,302.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.