Finding the Fourth Proportional to 171,110.79, 256,709.93 and 71,237.79
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Solution
The fourth proportional to 171,110.79, 256,709.93 and 71,237.79 is: 106,874.90
Step by Step Solution
- Step 1: Write the proportion equation
171,110.79 : 256,709.93 = 71,237.79 : x - Step 2: Convert to fraction form
171,110.79/256,709.93 = 71,237.79/x - Step 3: Cross multiply
171,110.79x = 256,709.93 × 71,237.79 - Step 4: Simplify right side
171,110.79x = 18,287,447,728.07 - Step 5: Solve for x
x = 18,287,447,728.07/171,110.79 - Step 6: Final answer
x = 106,874.90
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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.