Finding the Fourth Proportional to 409,968.99, 565,758.09 and 228,676.26
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Solution
The fourth proportional to 409,968.99, 565,758.09 and 228,676.26 is: 315,573.73
Step by Step Solution
- Step 1: Write the proportion equation
409,968.99 : 565,758.09 = 228,676.26 : x - Step 2: Convert to fraction form
409,968.99/565,758.09 = 228,676.26/x - Step 3: Cross multiply
409,968.99x = 565,758.09 × 228,676.26 - Step 4: Simplify right side
409,968.99x = 129,375,444,085.94 - Step 5: Solve for x
x = 129,375,444,085.94/409,968.99 - Step 6: Final answer
x = 315,573.73
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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.