Finding the Fourth Proportional to 370,878.09, 511,809.21 and 201,112.23
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Solution
The fourth proportional to 370,878.09, 511,809.21 and 201,112.23 is: 277,533.49
Step by Step Solution
- Step 1: Write the proportion equation
370,878.09 : 511,809.21 = 201,112.23 : x - Step 2: Convert to fraction form
370,878.09/511,809.21 = 201,112.23/x - Step 3: Cross multiply
370,878.09x = 511,809.21 × 201,112.23 - Step 4: Simplify right side
370,878.09x = 102,931,091,557.64 - Step 5: Solve for x
x = 102,931,091,557.64/370,878.09 - Step 6: Final answer
x = 277,533.49
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1.5x scale
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.