Finding the Fourth Proportional to 414,158.19, 621,238.16 and 114,639.63
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Solution
The fourth proportional to 414,158.19, 621,238.16 and 114,639.63 is: 171,959.69
Step by Step Solution
- Step 1: Write the proportion equation
414,158.19 : 621,238.16 = 114,639.63 : x - Step 2: Convert to fraction form
414,158.19/621,238.16 = 114,639.63/x - Step 3: Cross multiply
414,158.19x = 621,238.16 × 114,639.63 - Step 4: Simplify right side
414,158.19x = 71,218,512,804.28 - Step 5: Solve for x
x = 71,218,512,804.28/414,158.19 - Step 6: Final answer
x = 171,959.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.