Finding the Fourth Proportional to 171,609.70, 257,414.55 and 92,877.70
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Solution
The fourth proportional to 171,609.70, 257,414.55 and 92,877.70 is: 139,316.55
Step by Step Solution
- Step 1: Write the proportion equation
171,609.70 : 257,414.55 = 92,877.70 : x - Step 2: Convert to fraction form
171,609.70/257,414.55 = 92,877.70/x - Step 3: Cross multiply
171,609.70x = 257,414.55 × 92,877.70 - Step 4: Simplify right side
171,609.70x = 23,908,071,350.54 - Step 5: Solve for x
x = 23,908,071,350.54/171,609.70 - Step 6: Final answer
x = 139,316.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.