Finding the Fourth Proportional to 134,851.40, 202,325.70 and 129,991.40
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Solution
The fourth proportional to 134,851.40, 202,325.70 and 129,991.40 is: 195,033.95
Step by Step Solution
- Step 1: Write the proportion equation
134,851.40 : 202,325.70 = 129,991.40 : x - Step 2: Convert to fraction form
134,851.40/202,325.70 = 129,991.40/x - Step 3: Cross multiply
134,851.40x = 202,325.70 × 129,991.40 - Step 4: Simplify right side
134,851.40x = 26,300,600,998.98 - Step 5: Solve for x
x = 26,300,600,998.98/134,851.40 - Step 6: Final answer
x = 195,033.95
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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.