Finding the Fourth Proportional to 296,486.07, 409,147.77 and 160,516.41
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Solution
The fourth proportional to 296,486.07, 409,147.77 and 160,516.41 is: 221,511.02
Step by Step Solution
- Step 1: Write the proportion equation
296,486.07 : 409,147.77 = 160,516.41 : x - Step 2: Convert to fraction form
296,486.07/409,147.77 = 160,516.41/x - Step 3: Cross multiply
296,486.07x = 409,147.77 × 160,516.41 - Step 4: Simplify right side
296,486.07x = 65,674,931,199.91 - Step 5: Solve for x
x = 65,674,931,199.91/296,486.07 - Step 6: Final answer
x = 221,511.02
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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.