Finding the Fourth Proportional to 276,929.09, 415,396.97 and 77,237.32
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Solution
The fourth proportional to 276,929.09, 415,396.97 and 77,237.32 is: 115,856.90
Step by Step Solution
- Step 1: Write the proportion equation
276,929.09 : 415,396.97 = 77,237.32 : x - Step 2: Convert to fraction form
276,929.09/415,396.97 = 77,237.32/x - Step 3: Cross multiply
276,929.09x = 415,396.97 × 77,237.32 - Step 4: Simplify right side
276,929.09x = 32,084,146,235.75 - Step 5: Solve for x
x = 32,084,146,235.75/276,929.09 - Step 6: Final answer
x = 115,856.90
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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.