Finding the Fourth Proportional to 409,968.81, 565,757.82 and 228,676.08
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Solution
The fourth proportional to 409,968.81, 565,757.82 and 228,676.08 is: 315,573.47
Step by Step Solution
- Step 1: Write the proportion equation
409,968.81 : 565,757.82 = 228,676.08 : x - Step 2: Convert to fraction form
409,968.81/565,757.82 = 228,676.08/x - Step 3: Cross multiply
409,968.81x = 565,757.82 × 228,676.08 - Step 4: Simplify right side
409,968.81x = 129,375,280,506.95 - Step 5: Solve for x
x = 129,375,280,506.95/409,968.81 - Step 6: Final answer
x = 315,573.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.