Finding the Fourth Proportional to 319,512.68, 479,368.46 and 94,874.28
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Solution
The fourth proportional to 319,512.68, 479,368.46 and 94,874.28 is: 142,340.95
Step by Step Solution
- Step 1: Write the proportion equation
319,512.68 : 479,368.46 = 94,874.28 : x - Step 2: Convert to fraction form
319,512.68/479,368.46 = 94,874.28/x - Step 3: Cross multiply
319,512.68x = 479,368.46 × 94,874.28 - Step 4: Simplify right side
319,512.68x = 45,479,737,022.84 - Step 5: Solve for x
x = 45,479,737,022.84/319,512.68 - Step 6: Final answer
x = 142,340.95
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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.