Finding the Fourth Proportional to 76,253.71, 114,394.95 and 28,882.99
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Solution
The fourth proportional to 76,253.71, 114,394.95 and 28,882.99 is: 43,329.93
Step by Step Solution
- Step 1: Write the proportion equation
76,253.71 : 114,394.95 = 28,882.99 : x - Step 2: Convert to fraction form
76,253.71/114,394.95 = 28,882.99/x - Step 3: Cross multiply
76,253.71x = 114,394.95 × 28,882.99 - Step 4: Simplify right side
76,253.71x = 3,304,068,196.90 - Step 5: Solve for x
x = 3,304,068,196.90/76,253.71 - Step 6: Final answer
x = 43,329.93
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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.