Finding the Fourth Proportional to 276,676.04, 381,802.86 and 154,162.09
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Solution
The fourth proportional to 276,676.04, 381,802.86 and 154,162.09 is: 212,738.07
Step by Step Solution
- Step 1: Write the proportion equation
276,676.04 : 381,802.86 = 154,162.09 : x - Step 2: Convert to fraction form
276,676.04/381,802.86 = 154,162.09/x - Step 3: Cross multiply
276,676.04x = 381,802.86 × 154,162.09 - Step 4: Simplify right side
276,676.04x = 58,859,525,927.58 - Step 5: Solve for x
x = 58,859,525,927.58/276,676.04 - Step 6: Final answer
x = 212,738.07
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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.