Finding the Fourth Proportional to 336,680.64, 505,315.20 and 137,110.08
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Solution
The fourth proportional to 336,680.64, 505,315.20 and 137,110.08 is: 205,784.95
Step by Step Solution
- Step 1: Write the proportion equation
336,680.64 : 505,315.20 = 137,110.08 : x - Step 2: Convert to fraction form
336,680.64/505,315.20 = 137,110.08/x - Step 3: Cross multiply
336,680.64x = 505,315.20 × 137,110.08 - Step 4: Simplify right side
336,680.64x = 69,283,807,497.22 - Step 5: Solve for x
x = 69,283,807,497.22/336,680.64 - Step 6: Final answer
x = 205,784.95
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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.