Finding the Fourth Proportional to 325,398.12, 448,817.94 and 298,627.08
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Solution
The fourth proportional to 325,398.12, 448,817.94 and 298,627.08 is: 411,892.95
Step by Step Solution
- Step 1: Write the proportion equation
325,398.12 : 448,817.94 = 298,627.08 : x - Step 2: Convert to fraction form
325,398.12/448,817.94 = 298,627.08/x - Step 3: Cross multiply
325,398.12x = 448,817.94 × 298,627.08 - Step 4: Simplify right side
325,398.12x = 134,029,190,873.82 - Step 5: Solve for x
x = 134,029,190,873.82/325,398.12 - Step 6: Final answer
x = 411,892.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.