Finding the Fourth Proportional to 364,512.80, 546,769.20 and 252,319.70
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Solution
The fourth proportional to 364,512.80, 546,769.20 and 252,319.70 is: 378,479.55
Step by Step Solution
- Step 1: Write the proportion equation
364,512.80 : 546,769.20 = 252,319.70 : x - Step 2: Convert to fraction form
364,512.80/546,769.20 = 252,319.70/x - Step 3: Cross multiply
364,512.80x = 546,769.20 × 252,319.70 - Step 4: Simplify right side
364,512.80x = 137,960,640,513.24 - Step 5: Solve for x
x = 137,960,640,513.24/364,512.80 - Step 6: Final answer
x = 378,479.55
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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.