Finding the Fourth Proportional to 239,908.18, 328,672.70 and 230,936.62
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Solution
The fourth proportional to 239,908.18, 328,672.70 and 230,936.62 is: 316,381.72
Step by Step Solution
- Step 1: Write the proportion equation
239,908.18 : 328,672.70 = 230,936.62 : x - Step 2: Convert to fraction form
239,908.18/328,672.70 = 230,936.62/x - Step 3: Cross multiply
239,908.18x = 328,672.70 × 230,936.62 - Step 4: Simplify right side
239,908.18x = 75,902,562,424.27 - Step 5: Solve for x
x = 75,902,562,424.27/239,908.18 - Step 6: Final answer
x = 316,381.72
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.