Finding the Fourth Proportional to 303,485.99, 418,810.68 and 167,519.97
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Solution
The fourth proportional to 303,485.99, 418,810.68 and 167,519.97 is: 231,177.57
Step by Step Solution
- Step 1: Write the proportion equation
303,485.99 : 418,810.68 = 167,519.97 : x - Step 2: Convert to fraction form
303,485.99/418,810.68 = 167,519.97/x - Step 3: Cross multiply
303,485.99x = 418,810.68 × 167,519.97 - Step 4: Simplify right side
303,485.99x = 70,159,152,549.28 - Step 5: Solve for x
x = 70,159,152,549.28/303,485.99 - Step 6: Final answer
x = 231,177.57
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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.