Finding the Fourth Proportional to 135,288.60, 202,711.24 and 72,041.56
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Solution
The fourth proportional to 135,288.60, 202,711.24 and 72,041.56 is: 107,944.31
Step by Step Solution
- Step 1: Write the proportion equation
135,288.60 : 202,711.24 = 72,041.56 : x - Step 2: Convert to fraction form
135,288.60/202,711.24 = 72,041.56/x - Step 3: Cross multiply
135,288.60x = 202,711.24 × 72,041.56 - Step 4: Simplify right side
135,288.60x = 14,603,633,959.13 - Step 5: Solve for x
x = 14,603,633,959.13/135,288.60 - Step 6: Final answer
x = 107,944.31
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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.