Finding the Fourth Proportional to 300,430.11, 414,639.09 and 171,367.95
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Solution
The fourth proportional to 300,430.11, 414,639.09 and 171,367.95 is: 236,513.75
Step by Step Solution
- Step 1: Write the proportion equation
300,430.11 : 414,639.09 = 171,367.95 : x - Step 2: Convert to fraction form
300,430.11/414,639.09 = 171,367.95/x - Step 3: Cross multiply
300,430.11x = 414,639.09 × 171,367.95 - Step 4: Simplify right side
300,430.11x = 71,055,850,843.17 - Step 5: Solve for x
x = 71,055,850,843.17/300,430.11 - Step 6: Final answer
x = 236,513.75
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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.