Finding the Fourth Proportional to 74,187.50, 102,378.87 and 40,195.98
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Solution
The fourth proportional to 74,187.50, 102,378.87 and 40,195.98 is: 55,470.52
Step by Step Solution
- Step 1: Write the proportion equation
74,187.50 : 102,378.87 = 40,195.98 : x - Step 2: Convert to fraction form
74,187.50/102,378.87 = 40,195.98/x - Step 3: Cross multiply
74,187.50x = 102,378.87 × 40,195.98 - Step 4: Simplify right side
74,187.50x = 4,115,219,010.94 - Step 5: Solve for x
x = 4,115,219,010.94/74,187.50 - Step 6: Final answer
x = 55,470.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.