Finding the Fourth Proportional to 134,472.70, 201,709.05 and 40,983.10
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Solution
The fourth proportional to 134,472.70, 201,709.05 and 40,983.10 is: 61,474.65
Step by Step Solution
- Step 1: Write the proportion equation
134,472.70 : 201,709.05 = 40,983.10 : x - Step 2: Convert to fraction form
134,472.70/201,709.05 = 40,983.10/x - Step 3: Cross multiply
134,472.70x = 201,709.05 × 40,983.10 - Step 4: Simplify right side
134,472.70x = 8,266,662,167.06 - Step 5: Solve for x
x = 8,266,662,167.06/134,472.70 - Step 6: Final answer
x = 61,474.65
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1.5x scale
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.