Finding the Fourth Proportional to 422,930.88, 634,195.44 and 245,492.28
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Solution
The fourth proportional to 422,930.88, 634,195.44 and 245,492.28 is: 368,121.82
Step by Step Solution
- Step 1: Write the proportion equation
422,930.88 : 634,195.44 = 245,492.28 : x - Step 2: Convert to fraction form
422,930.88/634,195.44 = 245,492.28/x - Step 3: Cross multiply
422,930.88x = 634,195.44 × 245,492.28 - Step 4: Simplify right side
422,930.88x = 155,690,084,531.20 - Step 5: Solve for x
x = 155,690,084,531.20/422,930.88 - Step 6: Final answer
x = 368,121.82
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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.