Finding the Fourth Proportional to 319,510.73, 440,922.34 and 176,276.81
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Solution
The fourth proportional to 319,510.73, 440,922.34 and 176,276.81 is: 243,260.64
Step by Step Solution
- Step 1: Write the proportion equation
319,510.73 : 440,922.34 = 176,276.81 : x - Step 2: Convert to fraction form
319,510.73/440,922.34 = 176,276.81/x - Step 3: Cross multiply
319,510.73x = 440,922.34 × 176,276.81 - Step 4: Simplify right side
319,510.73x = 77,724,383,552.94 - Step 5: Solve for x
x = 77,724,383,552.94/319,510.73 - Step 6: Final answer
x = 243,260.64
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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.