Finding the Fourth Proportional to 311,036.16, 466,628.28 and 100,674.08
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Solution
The fourth proportional to 311,036.16, 466,628.28 and 100,674.08 is: 151,035.08
Step by Step Solution
- Step 1: Write the proportion equation
311,036.16 : 466,628.28 = 100,674.08 : x - Step 2: Convert to fraction form
311,036.16/466,628.28 = 100,674.08/x - Step 3: Cross multiply
311,036.16x = 466,628.28 × 100,674.08 - Step 4: Simplify right side
311,036.16x = 46,977,372,790.98 - Step 5: Solve for x
x = 46,977,372,790.98/311,036.16 - Step 6: Final answer
x = 151,035.08
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1.5x scale
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.