Finding the Fourth Proportional to 515,593.14, 711,604.08 and 300,733.26
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Solution
The fourth proportional to 515,593.14, 711,604.08 and 300,733.26 is: 415,061.79
Step by Step Solution
- Step 1: Write the proportion equation
515,593.14 : 711,604.08 = 300,733.26 : x - Step 2: Convert to fraction form
515,593.14/711,604.08 = 300,733.26/x - Step 3: Cross multiply
515,593.14x = 711,604.08 × 300,733.26 - Step 4: Simplify right side
515,593.14x = 214,003,012,139.19 - Step 5: Solve for x
x = 214,003,012,139.19/515,593.14 - Step 6: Final answer
x = 415,061.79
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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.