Finding the Fourth Proportional to 276,917.98, 382,146.33 and 149,593.18
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Solution
The fourth proportional to 276,917.98, 382,146.33 and 149,593.18 is: 206,438.33
Step by Step Solution
- Step 1: Write the proportion equation
276,917.98 : 382,146.33 = 149,593.18 : x - Step 2: Convert to fraction form
276,917.98/382,146.33 = 149,593.18/x - Step 3: Cross multiply
276,917.98x = 382,146.33 × 149,593.18 - Step 4: Simplify right side
276,917.98x = 57,166,484,730.03 - Step 5: Solve for x
x = 57,166,484,730.03/276,917.98 - Step 6: Final answer
x = 206,438.33
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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.