Finding the Fourth Proportional to 447,948.97, 671,915.16 and 110,990.44
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Solution
The fourth proportional to 447,948.97, 671,915.16 and 110,990.44 is: 166,483.60
Step by Step Solution
- Step 1: Write the proportion equation
447,948.97 : 671,915.16 = 110,990.44 : x - Step 2: Convert to fraction form
447,948.97/671,915.16 = 110,990.44/x - Step 3: Cross multiply
447,948.97x = 671,915.16 × 110,990.44 - Step 4: Simplify right side
447,948.97x = 74,576,155,891.49 - Step 5: Solve for x
x = 74,576,155,891.49/447,948.97 - Step 6: Final answer
x = 166,483.60
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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.