Finding the Fourth Proportional to 135,779.06, 203,686.48 and 50,378.30
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Solution
The fourth proportional to 135,779.06, 203,686.48 and 50,378.30 is: 75,574.09
Step by Step Solution
- Step 1: Write the proportion equation
135,779.06 : 203,686.48 = 50,378.30 : x - Step 2: Convert to fraction form
135,779.06/203,686.48 = 50,378.30/x - Step 3: Cross multiply
135,779.06x = 203,686.48 × 50,378.30 - Step 4: Simplify right side
135,779.06x = 10,261,378,595.38 - Step 5: Solve for x
x = 10,261,378,595.38/135,779.06 - Step 6: Final answer
x = 75,574.09
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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.