Finding the Fourth Proportional to 296,115.11, 408,638.85 and 160,149.06
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Solution
The fourth proportional to 296,115.11, 408,638.85 and 160,149.06 is: 221,005.70
Step by Step Solution
- Step 1: Write the proportion equation
296,115.11 : 408,638.85 = 160,149.06 : x - Step 2: Convert to fraction form
296,115.11/408,638.85 = 160,149.06/x - Step 3: Cross multiply
296,115.11x = 408,638.85 × 160,149.06 - Step 4: Simplify right side
296,115.11x = 65,443,127,706.98 - Step 5: Solve for x
x = 65,443,127,706.98/296,115.11 - Step 6: Final answer
x = 221,005.70
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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.