Finding the Fourth Proportional to 308,636.06, 425,823.28 and 201,166.88
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Solution
The fourth proportional to 308,636.06, 425,823.28 and 201,166.88 is: 277,548.71
Step by Step Solution
- Step 1: Write the proportion equation
308,636.06 : 425,823.28 = 201,166.88 : x - Step 2: Convert to fraction form
308,636.06/425,823.28 = 201,166.88/x - Step 3: Cross multiply
308,636.06x = 425,823.28 × 201,166.88 - Step 4: Simplify right side
308,636.06x = 85,661,538,036.93 - Step 5: Solve for x
x = 85,661,538,036.93/308,636.06 - Step 6: Final answer
x = 277,548.71
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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.