Finding the Fourth Proportional to 681,057.30, 1,021,583.10 and 207,741.08
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Solution
The fourth proportional to 681,057.30, 1,021,583.10 and 207,741.08 is: 311,610.75
Step by Step Solution
- Step 1: Write the proportion equation
681,057.30 : 1,021,583.10 = 207,741.08 : x - Step 2: Convert to fraction form
681,057.30/1,021,583.10 = 207,741.08/x - Step 3: Cross multiply
681,057.30x = 1,021,583.10 × 207,741.08 - Step 4: Simplify right side
681,057.30x = 212,224,776,503.75 - Step 5: Solve for x
x = 212,224,776,503.75/681,057.30 - Step 6: Final answer
x = 311,610.75
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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.