Finding the Fourth Proportional to 134,936.70, 202,405.05 and 41,430.30
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Solution
The fourth proportional to 134,936.70, 202,405.05 and 41,430.30 is: 62,145.45
Step by Step Solution
- Step 1: Write the proportion equation
134,936.70 : 202,405.05 = 41,430.30 : x - Step 2: Convert to fraction form
134,936.70/202,405.05 = 41,430.30/x - Step 3: Cross multiply
134,936.70x = 202,405.05 × 41,430.30 - Step 4: Simplify right side
134,936.70x = 8,385,701,943.02 - Step 5: Solve for x
x = 8,385,701,943.02/134,936.70 - Step 6: Final answer
x = 62,145.45
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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.