Finding the Fourth Proportional to 299,428.58, 446,851.28 and 267,479.84
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Solution
The fourth proportional to 299,428.58, 446,851.28 and 267,479.84 is: 399,172.68
Step by Step Solution
- Step 1: Write the proportion equation
299,428.58 : 446,851.28 = 267,479.84 : x - Step 2: Convert to fraction form
299,428.58/446,851.28 = 267,479.84/x - Step 3: Cross multiply
299,428.58x = 446,851.28 × 267,479.84 - Step 4: Simplify right side
299,428.58x = 119,523,705,306.54 - Step 5: Solve for x
x = 119,523,705,306.54/299,428.58 - Step 6: Final answer
x = 399,172.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.