Finding the Fourth Proportional to 305,439.24, 458,052.48 and 125,473.44
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Solution
The fourth proportional to 305,439.24, 458,052.48 and 125,473.44 is: 188,166.46
Step by Step Solution
- Step 1: Write the proportion equation
305,439.24 : 458,052.48 = 125,473.44 : x - Step 2: Convert to fraction form
305,439.24/458,052.48 = 125,473.44/x - Step 3: Cross multiply
305,439.24x = 458,052.48 × 125,473.44 - Step 4: Simplify right side
305,439.24x = 57,473,420,366.13 - Step 5: Solve for x
x = 57,473,420,366.13/305,439.24 - Step 6: Final answer
x = 188,166.46
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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.