Finding the Fourth Proportional to 353,530.14, 530,378.26 and 116,872.80
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Solution
The fourth proportional to 353,530.14, 530,378.26 and 116,872.80 is: 175,336.66
Step by Step Solution
- Step 1: Write the proportion equation
353,530.14 : 530,378.26 = 116,872.80 : x - Step 2: Convert to fraction form
353,530.14/530,378.26 = 116,872.80/x - Step 3: Cross multiply
353,530.14x = 530,378.26 × 116,872.80 - Step 4: Simplify right side
353,530.14x = 61,986,792,305.33 - Step 5: Solve for x
x = 61,986,792,305.33/353,530.14 - Step 6: Final answer
x = 175,336.66
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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.