Finding the Fourth Proportional to 406,350.16, 560,767.43 and 245,174.06
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Solution
The fourth proportional to 406,350.16, 560,767.43 and 245,174.06 is: 338,342.75
Step by Step Solution
- Step 1: Write the proportion equation
406,350.16 : 560,767.43 = 245,174.06 : x - Step 2: Convert to fraction form
406,350.16/560,767.43 = 245,174.06/x - Step 3: Cross multiply
406,350.16x = 560,767.43 × 245,174.06 - Step 4: Simplify right side
406,350.16x = 137,485,629,543.72 - Step 5: Solve for x
x = 137,485,629,543.72/406,350.16 - Step 6: Final answer
x = 338,342.75
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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.