Finding the Fourth Proportional to 374,924.36, 517,394.25 and 202,842.83
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Solution
The fourth proportional to 374,924.36, 517,394.25 and 202,842.83 is: 279,922.37
Step by Step Solution
- Step 1: Write the proportion equation
374,924.36 : 517,394.25 = 202,842.83 : x - Step 2: Convert to fraction form
374,924.36/517,394.25 = 202,842.83/x - Step 3: Cross multiply
374,924.36x = 517,394.25 × 202,842.83 - Step 4: Simplify right side
374,924.36x = 104,949,715,189.21 - Step 5: Solve for x
x = 104,949,715,189.21/374,924.36 - Step 6: Final answer
x = 279,922.37
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1.5x scale
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.