Finding the Fourth Proportional to 319,772.73, 441,274.80 and 176,529.70
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Solution
The fourth proportional to 319,772.73, 441,274.80 and 176,529.70 is: 243,604.60
Step by Step Solution
- Step 1: Write the proportion equation
319,772.73 : 441,274.80 = 176,529.70 : x - Step 2: Convert to fraction form
319,772.73/441,274.80 = 176,529.70/x - Step 3: Cross multiply
319,772.73x = 441,274.80 × 176,529.70 - Step 4: Simplify right side
319,772.73x = 77,898,108,061.56 - Step 5: Solve for x
x = 77,898,108,061.56/319,772.73 - Step 6: Final answer
x = 243,604.60
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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.