Finding the Fourth Proportional to 628,662.81, 943,177.94 and 202,189.05
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Solution
The fourth proportional to 628,662.81, 943,177.94 and 202,189.05 is: 303,342.66
Step by Step Solution
- Step 1: Write the proportion equation
628,662.81 : 943,177.94 = 202,189.05 : x - Step 2: Convert to fraction form
628,662.81/943,177.94 = 202,189.05/x - Step 3: Cross multiply
628,662.81x = 943,177.94 × 202,189.05 - Step 4: Simplify right side
628,662.81x = 190,700,251,669.56 - Step 5: Solve for x
x = 190,700,251,669.56/628,662.81 - Step 6: Final answer
x = 303,342.66
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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.