Finding the Fourth Proportional to 305,291.79, 457,611.39 and 163,049.31
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Solution
The fourth proportional to 305,291.79, 457,611.39 and 163,049.31 is: 244,399.70
Step by Step Solution
- Step 1: Write the proportion equation
305,291.79 : 457,611.39 = 163,049.31 : x - Step 2: Convert to fraction form
305,291.79/457,611.39 = 163,049.31/x - Step 3: Cross multiply
305,291.79x = 457,611.39 × 163,049.31 - Step 4: Simplify right side
305,291.79x = 74,613,221,387.64 - Step 5: Solve for x
x = 74,613,221,387.64/305,291.79 - Step 6: Final answer
x = 244,399.70
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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.