Finding the Fourth Proportional to 370,805.76, 511,713.06 and 201,039.96
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Solution
The fourth proportional to 370,805.76, 511,713.06 and 201,039.96 is: 277,435.75
Step by Step Solution
- Step 1: Write the proportion equation
370,805.76 : 511,713.06 = 201,039.96 : x - Step 2: Convert to fraction form
370,805.76/511,713.06 = 201,039.96/x - Step 3: Cross multiply
370,805.76x = 511,713.06 × 201,039.96 - Step 4: Simplify right side
370,805.76x = 102,874,773,113.88 - Step 5: Solve for x
x = 102,874,773,113.88/370,805.76 - Step 6: Final answer
x = 277,435.75
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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.