Finding the Fourth Proportional to 406,460.96, 560,936.24 and 245,313.44
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Solution
The fourth proportional to 406,460.96, 560,936.24 and 245,313.44 is: 338,544.69
Step by Step Solution
- Step 1: Write the proportion equation
406,460.96 : 560,936.24 = 245,313.44 : x - Step 2: Convert to fraction form
406,460.96/560,936.24 = 245,313.44/x - Step 3: Cross multiply
406,460.96x = 560,936.24 × 245,313.44 - Step 4: Simplify right side
406,460.96x = 137,605,198,655.07 - Step 5: Solve for x
x = 137,605,198,655.07/406,460.96 - Step 6: Final answer
x = 338,544.69
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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.