Finding the Fourth Proportional to 374,789.62, 517,208.05 and 202,707.75
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Solution
The fourth proportional to 374,789.62, 517,208.05 and 202,707.75 is: 279,735.82
Step by Step Solution
- Step 1: Write the proportion equation
374,789.62 : 517,208.05 = 202,707.75 : x - Step 2: Convert to fraction form
374,789.62/517,208.05 = 202,707.75/x - Step 3: Cross multiply
374,789.62x = 517,208.05 × 202,707.75 - Step 4: Simplify right side
374,789.62x = 104,842,082,290.30 - Step 5: Solve for x
x = 104,842,082,290.30/374,789.62 - Step 6: Final answer
x = 279,735.82
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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.