Finding the Fourth Proportional to 276,345.84, 414,517.76 and 118,471.92
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Solution
The fourth proportional to 276,345.84, 414,517.76 and 118,471.92 is: 177,707.45
Step by Step Solution
- Step 1: Write the proportion equation
276,345.84 : 414,517.76 = 118,471.92 : x - Step 2: Convert to fraction form
276,345.84/414,517.76 = 118,471.92/x - Step 3: Cross multiply
276,345.84x = 414,517.76 × 118,471.92 - Step 4: Simplify right side
276,345.84x = 49,108,714,901.30 - Step 5: Solve for x
x = 49,108,714,901.30/276,345.84 - Step 6: Final answer
x = 177,707.45
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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.