Finding the Fourth Proportional to 311,038.16, 466,631.28 and 100,676.08
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Solution
The fourth proportional to 311,038.16, 466,631.28 and 100,676.08 is: 151,038.09
Step by Step Solution
- Step 1: Write the proportion equation
311,038.16 : 466,631.28 = 100,676.08 : x - Step 2: Convert to fraction form
311,038.16/466,631.28 = 100,676.08/x - Step 3: Cross multiply
311,038.16x = 466,631.28 × 100,676.08 - Step 4: Simplify right side
311,038.16x = 46,978,608,075.78 - Step 5: Solve for x
x = 46,978,608,075.78/311,038.16 - Step 6: Final answer
x = 151,038.09
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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.