Finding the Fourth Proportional to 208,314.80, 312,585.95 and 88,353.09
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Solution
The fourth proportional to 208,314.80, 312,585.95 and 88,353.09 is: 132,577.88
Step by Step Solution
- Step 1: Write the proportion equation
208,314.80 : 312,585.95 = 88,353.09 : x - Step 2: Convert to fraction form
208,314.80/312,585.95 = 88,353.09/x - Step 3: Cross multiply
208,314.80x = 312,585.95 × 88,353.09 - Step 4: Simplify right side
208,314.80x = 27,617,934,793.97 - Step 5: Solve for x
x = 27,617,934,793.97/208,314.80 - Step 6: Final answer
x = 132,577.88
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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.