Finding the Fourth Proportional to 312,377.29, 468,611.69 and 99,074.05
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Solution
The fourth proportional to 312,377.29, 468,611.69 and 99,074.05 is: 148,625.59
Step by Step Solution
- Step 1: Write the proportion equation
312,377.29 : 468,611.69 = 99,074.05 : x - Step 2: Convert to fraction form
312,377.29/468,611.69 = 99,074.05/x - Step 3: Cross multiply
312,377.29x = 468,611.69 × 99,074.05 - Step 4: Simplify right side
312,377.29x = 46,427,258,005.64 - Step 5: Solve for x
x = 46,427,258,005.64/312,377.29 - Step 6: Final answer
x = 148,625.59
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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.