Finding the Fourth Proportional to 107,868.36, 148,846.02 and 62,536.88
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Solution
The fourth proportional to 107,868.36, 148,846.02 and 62,536.88 is: 86,293.75
Step by Step Solution
- Step 1: Write the proportion equation
107,868.36 : 148,846.02 = 62,536.88 : x - Step 2: Convert to fraction form
107,868.36/148,846.02 = 62,536.88/x - Step 3: Cross multiply
107,868.36x = 148,846.02 × 62,536.88 - Step 4: Simplify right side
107,868.36x = 9,308,365,691.22 - Step 5: Solve for x
x = 9,308,365,691.22/107,868.36 - Step 6: Final answer
x = 86,293.75
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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.