Finding the Fourth Proportional to 383,639.68, 574,783.98 and 341,890.66
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Solution
The fourth proportional to 383,639.68, 574,783.98 and 341,890.66 is: 512,233.96
Step by Step Solution
- Step 1: Write the proportion equation
383,639.68 : 574,783.98 = 341,890.66 : x - Step 2: Convert to fraction form
383,639.68/574,783.98 = 341,890.66/x - Step 3: Cross multiply
383,639.68x = 574,783.98 × 341,890.66 - Step 4: Simplify right side
383,639.68x = 196,513,274,279.63 - Step 5: Solve for x
x = 196,513,274,279.63/383,639.68 - Step 6: Final answer
x = 512,233.96
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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.