Finding the Fourth Proportional to 512,334.84, 768,485.86 and 231,852.08
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Solution
The fourth proportional to 512,334.84, 768,485.86 and 231,852.08 is: 347,770.70
Step by Step Solution
- Step 1: Write the proportion equation
512,334.84 : 768,485.86 = 231,852.08 : x - Step 2: Convert to fraction form
512,334.84/768,485.86 = 231,852.08/x - Step 3: Cross multiply
512,334.84x = 768,485.86 × 231,852.08 - Step 4: Simplify right side
512,334.84x = 178,175,045,091.59 - Step 5: Solve for x
x = 178,175,045,091.59/512,334.84 - Step 6: Final answer
x = 347,770.70
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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.