Finding the Fourth Proportional to 303,206.49, 418,421.64 and 167,246.18
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Solution
The fourth proportional to 303,206.49, 418,421.64 and 167,246.18 is: 230,797.89
Step by Step Solution
- Step 1: Write the proportion equation
303,206.49 : 418,421.64 = 167,246.18 : x - Step 2: Convert to fraction form
303,206.49/418,421.64 = 167,246.18/x - Step 3: Cross multiply
303,206.49x = 418,421.64 × 167,246.18 - Step 4: Simplify right side
303,206.49x = 69,979,418,827.23 - Step 5: Solve for x
x = 69,979,418,827.23/303,206.49 - Step 6: Final answer
x = 230,797.89
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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.