Finding the Fourth Proportional to 330,006.81, 494,930.93 and 152,343.13
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Solution
The fourth proportional to 330,006.81, 494,930.93 and 152,343.13 is: 228,478.09
Step by Step Solution
- Step 1: Write the proportion equation
330,006.81 : 494,930.93 = 152,343.13 : x - Step 2: Convert to fraction form
330,006.81/494,930.93 = 152,343.13/x - Step 3: Cross multiply
330,006.81x = 494,930.93 × 152,343.13 - Step 4: Simplify right side
330,006.81x = 75,399,327,010.01 - Step 5: Solve for x
x = 75,399,327,010.01/330,006.81 - Step 6: Final answer
x = 228,478.09
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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.