Finding the Fourth Proportional to 311,936.04, 430,473.02 and 168,696.08
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Solution
The fourth proportional to 311,936.04, 430,473.02 and 168,696.08 is: 232,801.29
Step by Step Solution
- Step 1: Write the proportion equation
311,936.04 : 430,473.02 = 168,696.08 : x - Step 2: Convert to fraction form
311,936.04/430,473.02 = 168,696.08/x - Step 3: Cross multiply
311,936.04x = 430,473.02 × 168,696.08 - Step 4: Simplify right side
311,936.04x = 72,619,109,943.58 - Step 5: Solve for x
x = 72,619,109,943.58/311,936.04 - Step 6: Final answer
x = 232,801.29
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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.