Finding the Fourth Proportional to 134,336.70, 201,456.45 and 54,341.10
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Solution
The fourth proportional to 134,336.70, 201,456.45 and 54,341.10 is: 81,491.99
Step by Step Solution
- Step 1: Write the proportion equation
134,336.70 : 201,456.45 = 54,341.10 : x - Step 2: Convert to fraction form
134,336.70/201,456.45 = 54,341.10/x - Step 3: Cross multiply
134,336.70x = 201,456.45 × 54,341.10 - Step 4: Simplify right side
134,336.70x = 10,947,365,095.10 - Step 5: Solve for x
x = 10,947,365,095.10/134,336.70 - Step 6: Final answer
x = 81,491.99
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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.