Finding the Fourth Proportional to 127,887.74, 191,851.35 and 43,628.17
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Solution
The fourth proportional to 127,887.74, 191,851.35 and 43,628.17 is: 65,448.99
Step by Step Solution
- Step 1: Write the proportion equation
127,887.74 : 191,851.35 = 43,628.17 : x - Step 2: Convert to fraction form
127,887.74/191,851.35 = 43,628.17/x - Step 3: Cross multiply
127,887.74x = 191,851.35 × 43,628.17 - Step 4: Simplify right side
127,887.74x = 8,370,123,312.53 - Step 5: Solve for x
x = 8,370,123,312.53/127,887.74 - Step 6: Final answer
x = 65,448.99
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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.