Finding the Fourth Proportional to 183,243.76, 252,871.12 and 106,779.76
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Solution
The fourth proportional to 183,243.76, 252,871.12 and 106,779.76 is: 147,353.00
Step by Step Solution
- Step 1: Write the proportion equation
183,243.76 : 252,871.12 = 106,779.76 : x - Step 2: Convert to fraction form
183,243.76/252,871.12 = 106,779.76/x - Step 3: Cross multiply
183,243.76x = 252,871.12 × 106,779.76 - Step 4: Simplify right side
183,243.76x = 27,001,517,504.53 - Step 5: Solve for x
x = 27,001,517,504.53/183,243.76 - Step 6: Final answer
x = 147,353.00
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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.