Finding the Fourth Proportional to 135,324.80, 202,900.80 and 56,470.40
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Solution
The fourth proportional to 135,324.80, 202,900.80 and 56,470.40 is: 84,669.55
Step by Step Solution
- Step 1: Write the proportion equation
135,324.80 : 202,900.80 = 56,470.40 : x - Step 2: Convert to fraction form
135,324.80/202,900.80 = 56,470.40/x - Step 3: Cross multiply
135,324.80x = 202,900.80 × 56,470.40 - Step 4: Simplify right side
135,324.80x = 11,457,889,336.32 - Step 5: Solve for x
x = 11,457,889,336.32/135,324.80 - Step 6: Final answer
x = 84,669.55
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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.