Finding the Fourth Proportional to 296,177.58, 408,299.94 and 211,147.02
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Solution
The fourth proportional to 296,177.58, 408,299.94 and 211,147.02 is: 291,079.82
Step by Step Solution
- Step 1: Write the proportion equation
296,177.58 : 408,299.94 = 211,147.02 : x - Step 2: Convert to fraction form
296,177.58/408,299.94 = 211,147.02/x - Step 3: Cross multiply
296,177.58x = 408,299.94 × 211,147.02 - Step 4: Simplify right side
296,177.58x = 86,211,315,597.18 - Step 5: Solve for x
x = 86,211,315,597.18/296,177.58 - Step 6: Final answer
x = 291,079.82
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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.