Finding the Fourth Proportional to 681,354.16, 1,021,719.77 and 254,576.97
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Solution
The fourth proportional to 681,354.16, 1,021,719.77 and 254,576.97 is: 381,749.08
Step by Step Solution
- Step 1: Write the proportion equation
681,354.16 : 1,021,719.77 = 254,576.97 : x - Step 2: Convert to fraction form
681,354.16/1,021,719.77 = 254,576.97/x - Step 3: Cross multiply
681,354.16x = 1,021,719.77 × 254,576.97 - Step 4: Simplify right side
681,354.16x = 260,106,321,962.81 - Step 5: Solve for x
x = 260,106,321,962.81/681,354.16 - Step 6: Final answer
x = 381,749.08
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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.