Finding the Fourth Proportional to 268,786.77, 370,925.91 and 147,936.75
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Solution
The fourth proportional to 268,786.77, 370,925.91 and 147,936.75 is: 204,152.81
Step by Step Solution
- Step 1: Write the proportion equation
268,786.77 : 370,925.91 = 147,936.75 : x - Step 2: Convert to fraction form
268,786.77/370,925.91 = 147,936.75/x - Step 3: Cross multiply
268,786.77x = 370,925.91 × 147,936.75 - Step 4: Simplify right side
268,786.77x = 54,873,573,616.19 - Step 5: Solve for x
x = 54,873,573,616.19/268,786.77 - Step 6: Final answer
x = 204,152.81
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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.