Finding the Fourth Proportional to 127,460.08, 191,193.78 and 43,220.50
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Solution
The fourth proportional to 127,460.08, 191,193.78 and 43,220.50 is: 64,831.99
Step by Step Solution
- Step 1: Write the proportion equation
127,460.08 : 191,193.78 = 43,220.50 : x - Step 2: Convert to fraction form
127,460.08/191,193.78 = 43,220.50/x - Step 3: Cross multiply
127,460.08x = 191,193.78 × 43,220.50 - Step 4: Simplify right side
127,460.08x = 8,263,490,768.49 - Step 5: Solve for x
x = 8,263,490,768.49/127,460.08 - Step 6: Final answer
x = 64,831.99
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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.