Finding the Fourth Proportional to 202,041.80, 303,062.70 and 68,877.80
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Solution
The fourth proportional to 202,041.80, 303,062.70 and 68,877.80 is: 103,316.70
Step by Step Solution
- Step 1: Write the proportion equation
202,041.80 : 303,062.70 = 68,877.80 : x - Step 2: Convert to fraction form
202,041.80/303,062.70 = 68,877.80/x - Step 3: Cross multiply
202,041.80x = 303,062.70 × 68,877.80 - Step 4: Simplify right side
202,041.80x = 20,874,292,038.06 - Step 5: Solve for x
x = 20,874,292,038.06/202,041.80 - Step 6: Final answer
x = 103,316.70
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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.