Finding the Fourth Proportional to 298,388.09, 411,780.81 and 162,425.94
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Solution
The fourth proportional to 298,388.09, 411,780.81 and 162,425.94 is: 224,150.65
Step by Step Solution
- Step 1: Write the proportion equation
298,388.09 : 411,780.81 = 162,425.94 : x - Step 2: Convert to fraction form
298,388.09/411,780.81 = 162,425.94/x - Step 3: Cross multiply
298,388.09x = 411,780.81 × 162,425.94 - Step 4: Simplify right side
298,388.09x = 66,883,884,326.08 - Step 5: Solve for x
x = 66,883,884,326.08/298,388.09 - Step 6: Final answer
x = 224,150.65
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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.