Finding the Fourth Proportional to 628,857.06, 942,994.59 and 202,313.49
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Solution
The fourth proportional to 628,857.06, 942,994.59 and 202,313.49 is: 303,376.62
Step by Step Solution
- Step 1: Write the proportion equation
628,857.06 : 942,994.59 = 202,313.49 : x - Step 2: Convert to fraction form
628,857.06/942,994.59 = 202,313.49/x - Step 3: Cross multiply
628,857.06x = 942,994.59 × 202,313.49 - Step 4: Simplify right side
628,857.06x = 190,780,526,554.02 - Step 5: Solve for x
x = 190,780,526,554.02/628,857.06 - Step 6: Final answer
x = 303,376.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.