Finding the Fourth Proportional to 202,326.40, 303,526.05 and 84,009.70
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Solution
The fourth proportional to 202,326.40, 303,526.05 and 84,009.70 is: 126,029.68
Step by Step Solution
- Step 1: Write the proportion equation
202,326.40 : 303,526.05 = 84,009.70 : x - Step 2: Convert to fraction form
202,326.40/303,526.05 = 84,009.70/x - Step 3: Cross multiply
202,326.40x = 303,526.05 × 84,009.70 - Step 4: Simplify right side
202,326.40x = 25,499,132,402.69 - Step 5: Solve for x
x = 25,499,132,402.69/202,326.40 - Step 6: Final answer
x = 126,029.68
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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.