Finding the Fourth Proportional to 429,765.40, 645,336.60 and 341,750.80
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Solution
The fourth proportional to 429,765.40, 645,336.60 and 341,750.80 is: 513,173.70
Step by Step Solution
- Step 1: Write the proportion equation
429,765.40 : 645,336.60 = 341,750.80 : x - Step 2: Convert to fraction form
429,765.40/645,336.60 = 341,750.80/x - Step 3: Cross multiply
429,765.40x = 645,336.60 × 341,750.80 - Step 4: Simplify right side
429,765.40x = 220,544,299,319.28 - Step 5: Solve for x
x = 220,544,299,319.28/429,765.40 - Step 6: Final answer
x = 513,173.70
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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.