Finding the Fourth Proportional to 370,875.09, 511,805.07 and 201,109.23
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Solution
The fourth proportional to 370,875.09, 511,805.07 and 201,109.23 is: 277,529.35
Step by Step Solution
- Step 1: Write the proportion equation
370,875.09 : 511,805.07 = 201,109.23 : x - Step 2: Convert to fraction form
370,875.09/511,805.07 = 201,109.23/x - Step 3: Cross multiply
370,875.09x = 511,805.07 × 201,109.23 - Step 4: Simplify right side
370,875.09x = 102,928,723,537.80 - Step 5: Solve for x
x = 102,928,723,537.80/370,875.09 - Step 6: Final answer
x = 277,529.35
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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.