Finding the Fourth Proportional to 336,189.80, 504,284.70 and 122,957.30
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Solution
The fourth proportional to 336,189.80, 504,284.70 and 122,957.30 is: 184,435.95
Step by Step Solution
- Step 1: Write the proportion equation
336,189.80 : 504,284.70 = 122,957.30 : x - Step 2: Convert to fraction form
336,189.80/504,284.70 = 122,957.30/x - Step 3: Cross multiply
336,189.80x = 504,284.70 × 122,957.30 - Step 4: Simplify right side
336,189.80x = 62,005,485,143.31 - Step 5: Solve for x
x = 62,005,485,143.31/336,189.80 - Step 6: Final answer
x = 184,435.95
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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.