Finding the Fourth Proportional to 385,063.05, 577,471.71 and 132,282.58
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Solution
The fourth proportional to 385,063.05, 577,471.71 and 132,282.58 is: 198,381.66
Step by Step Solution
- Step 1: Write the proportion equation
385,063.05 : 577,471.71 = 132,282.58 : x - Step 2: Convert to fraction form
385,063.05/577,471.71 = 132,282.58/x - Step 3: Cross multiply
385,063.05x = 577,471.71 × 132,282.58 - Step 4: Simplify right side
385,063.05x = 76,389,447,675.81 - Step 5: Solve for x
x = 76,389,447,675.81/385,063.05 - Step 6: Final answer
x = 198,381.66
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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.