Finding the Fourth Proportional to 104,610.24, 142,430.84 and 104,278.09
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Solution
The fourth proportional to 104,610.24, 142,430.84 and 104,278.09 is: 141,978.60
Step by Step Solution
- Step 1: Write the proportion equation
104,610.24 : 142,430.84 = 104,278.09 : x - Step 2: Convert to fraction form
104,610.24/142,430.84 = 104,278.09/x - Step 3: Cross multiply
104,610.24x = 142,430.84 × 104,278.09 - Step 4: Simplify right side
104,610.24x = 14,852,416,047.68 - Step 5: Solve for x
x = 14,852,416,047.68/104,610.24 - Step 6: Final answer
x = 141,978.60
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.