Finding the Fourth Proportional to 112,604.70, 155,379.17 and 67,273.08
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Solution
The fourth proportional to 112,604.70, 155,379.17 and 67,273.08 is: 92,827.70
Step by Step Solution
- Step 1: Write the proportion equation
112,604.70 : 155,379.17 = 67,273.08 : x - Step 2: Convert to fraction form
112,604.70/155,379.17 = 67,273.08/x - Step 3: Cross multiply
112,604.70x = 155,379.17 × 67,273.08 - Step 4: Simplify right side
112,604.70x = 10,452,834,997.38 - Step 5: Solve for x
x = 10,452,834,997.38/112,604.70 - Step 6: Final answer
x = 92,827.70
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1.5x scale
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.