Finding the Fourth Proportional to 422,712.24, 634,059.14 and 102,865.55
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Solution
The fourth proportional to 422,712.24, 634,059.14 and 102,865.55 is: 154,296.07
Step by Step Solution
- Step 1: Write the proportion equation
422,712.24 : 634,059.14 = 102,865.55 : x - Step 2: Convert to fraction form
422,712.24/634,059.14 = 102,865.55/x - Step 3: Cross multiply
422,712.24x = 634,059.14 × 102,865.55 - Step 4: Simplify right side
422,712.24x = 65,222,839,062.62 - Step 5: Solve for x
x = 65,222,839,062.62/422,712.24 - Step 6: Final answer
x = 154,296.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.