Finding the Fourth Proportional to 358,689.24, 538,066.80 and 92,450.70
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Solution
The fourth proportional to 358,689.24, 538,066.80 and 92,450.70 is: 138,684.54
Step by Step Solution
- Step 1: Write the proportion equation
358,689.24 : 538,066.80 = 92,450.70 : x - Step 2: Convert to fraction form
358,689.24/538,066.80 = 92,450.70/x - Step 3: Cross multiply
358,689.24x = 538,066.80 × 92,450.70 - Step 4: Simplify right side
358,689.24x = 49,744,652,306.76 - Step 5: Solve for x
x = 49,744,652,306.76/358,689.24 - Step 6: Final answer
x = 138,684.54
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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.