Finding the Fourth Proportional to 276,975.92, 415,297.68 and 127,028.32
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Solution
The fourth proportional to 276,975.92, 415,297.68 and 127,028.32 is: 190,466.26
Step by Step Solution
- Step 1: Write the proportion equation
276,975.92 : 415,297.68 = 127,028.32 : x - Step 2: Convert to fraction form
276,975.92/415,297.68 = 127,028.32/x - Step 3: Cross multiply
276,975.92x = 415,297.68 × 127,028.32 - Step 4: Simplify right side
276,975.92x = 52,754,566,590.30 - Step 5: Solve for x
x = 52,754,566,590.30/276,975.92 - Step 6: Final answer
x = 190,466.26
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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.