Finding the Fourth Proportional to 354,479.08, 531,382.08 and 141,377.80
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Solution
The fourth proportional to 354,479.08, 531,382.08 and 141,377.80 is: 211,932.48
Step by Step Solution
- Step 1: Write the proportion equation
354,479.08 : 531,382.08 = 141,377.80 : x - Step 2: Convert to fraction form
354,479.08/531,382.08 = 141,377.80/x - Step 3: Cross multiply
354,479.08x = 531,382.08 × 141,377.80 - Step 4: Simplify right side
354,479.08x = 75,125,629,429.82 - Step 5: Solve for x
x = 75,125,629,429.82/354,479.08 - Step 6: Final answer
x = 211,932.48
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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.