Finding the Fourth Proportional to 202,957.20, 304,435.80 and 53,197.20
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Solution
The fourth proportional to 202,957.20, 304,435.80 and 53,197.20 is: 79,795.80
Step by Step Solution
- Step 1: Write the proportion equation
202,957.20 : 304,435.80 = 53,197.20 : x - Step 2: Convert to fraction form
202,957.20/304,435.80 = 53,197.20/x - Step 3: Cross multiply
202,957.20x = 304,435.80 × 53,197.20 - Step 4: Simplify right side
202,957.20x = 16,195,132,139.76 - Step 5: Solve for x
x = 16,195,132,139.76/202,957.20 - Step 6: Final answer
x = 79,795.80
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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.