Finding the Fourth Proportional to 474,286.77, 711,431.37 and 193,804.02
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Solution
The fourth proportional to 474,286.77, 711,431.37 and 193,804.02 is: 290,706.53
Step by Step Solution
- Step 1: Write the proportion equation
474,286.77 : 711,431.37 = 193,804.02 : x - Step 2: Convert to fraction form
474,286.77/711,431.37 = 193,804.02/x - Step 3: Cross multiply
474,286.77x = 711,431.37 × 193,804.02 - Step 4: Simplify right side
474,286.77x = 137,878,259,460.11 - Step 5: Solve for x
x = 137,878,259,460.11/474,286.77 - Step 6: Final answer
x = 290,706.53
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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.