Finding the Fourth Proportional to 177,578.46, 266,274.14 and 121,434.53
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Solution
The fourth proportional to 177,578.46, 266,274.14 and 121,434.53 is: 182,087.81
Step by Step Solution
- Step 1: Write the proportion equation
177,578.46 : 266,274.14 = 121,434.53 : x - Step 2: Convert to fraction form
177,578.46/266,274.14 = 121,434.53/x - Step 3: Cross multiply
177,578.46x = 266,274.14 × 121,434.53 - Step 4: Simplify right side
177,578.46x = 32,334,873,103.51 - Step 5: Solve for x
x = 32,334,873,103.51/177,578.46 - Step 6: Final answer
x = 182,087.81
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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.