Finding the Fourth Proportional to 311,984.14, 430,538.14 and 168,744.19
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Solution
The fourth proportional to 311,984.14, 430,538.14 and 168,744.19 is: 232,867.00
Step by Step Solution
- Step 1: Write the proportion equation
311,984.14 : 430,538.14 = 168,744.19 : x - Step 2: Convert to fraction form
311,984.14/430,538.14 = 168,744.19/x - Step 3: Cross multiply
311,984.14x = 430,538.14 × 168,744.19 - Step 4: Simplify right side
311,984.14x = 72,650,808,832.99 - Step 5: Solve for x
x = 72,650,808,832.99/311,984.14 - Step 6: Final answer
x = 232,867.00
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1.5x scale
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.