Finding the Fourth Proportional to 409,862.91, 565,609.68 and 228,575.01
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Solution
The fourth proportional to 409,862.91, 565,609.68 and 228,575.01 is: 315,432.88
Step by Step Solution
- Step 1: Write the proportion equation
409,862.91 : 565,609.68 = 228,575.01 : x - Step 2: Convert to fraction form
409,862.91/565,609.68 = 228,575.01/x - Step 3: Cross multiply
409,862.91x = 565,609.68 × 228,575.01 - Step 4: Simplify right side
409,862.91x = 129,284,238,262.10 - Step 5: Solve for x
x = 129,284,238,262.10/409,862.91 - Step 6: Final answer
x = 315,432.88
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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.