Finding the Fourth Proportional to 145,324.40, 202,987.60 and 145,324.40
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Solution
The fourth proportional to 145,324.40, 202,987.60 and 145,324.40 is: 202,987.60
Step by Step Solution
- Step 1: Write the proportion equation
145,324.40 : 202,987.60 = 145,324.40 : x - Step 2: Convert to fraction form
145,324.40/202,987.60 = 145,324.40/x - Step 3: Cross multiply
145,324.40x = 202,987.60 × 145,324.40 - Step 4: Simplify right side
145,324.40x = 29,499,051,177.44 - Step 5: Solve for x
x = 29,499,051,177.44/145,324.40 - Step 6: Final answer
x = 202,987.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.