Finding the Fourth Proportional to 516,738.36, 713,138.88 and 310,014.49
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Solution
The fourth proportional to 516,738.36, 713,138.88 and 310,014.49 is: 427,843.96
Step by Step Solution
- Step 1: Write the proportion equation
516,738.36 : 713,138.88 = 310,014.49 : x - Step 2: Convert to fraction form
516,738.36/713,138.88 = 310,014.49/x - Step 3: Cross multiply
516,738.36x = 713,138.88 × 310,014.49 - Step 4: Simplify right side
516,738.36x = 221,083,384,632.30 - Step 5: Solve for x
x = 221,083,384,632.30/516,738.36 - Step 6: Final answer
x = 427,843.96
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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.