Finding the Fourth Proportional to 242,779.44, 335,035.84 and 135,347.32
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Solution
The fourth proportional to 242,779.44, 335,035.84 and 135,347.32 is: 186,779.42
Step by Step Solution
- Step 1: Write the proportion equation
242,779.44 : 335,035.84 = 135,347.32 : x - Step 2: Convert to fraction form
242,779.44/335,035.84 = 135,347.32/x - Step 3: Cross multiply
242,779.44x = 335,035.84 × 135,347.32 - Step 4: Simplify right side
242,779.44x = 45,346,203,047.95 - Step 5: Solve for x
x = 45,346,203,047.95/242,779.44 - Step 6: Final answer
x = 186,779.42
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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.