Finding the Fourth Proportional to 202,420.19, 303,297.95 and 69,227.78
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Solution
The fourth proportional to 202,420.19, 303,297.95 and 69,227.78 is: 103,728.00
Step by Step Solution
- Step 1: Write the proportion equation
202,420.19 : 303,297.95 = 69,227.78 : x - Step 2: Convert to fraction form
202,420.19/303,297.95 = 69,227.78/x - Step 3: Cross multiply
202,420.19x = 303,297.95 × 69,227.78 - Step 4: Simplify right side
202,420.19x = 20,996,641,894.42 - Step 5: Solve for x
x = 20,996,641,894.42/202,420.19 - Step 6: Final answer
x = 103,728.00
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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.