Finding the Fourth Proportional to 134,788.80, 202,183.20 and 124,291.20
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Solution
The fourth proportional to 134,788.80, 202,183.20 and 124,291.20 is: 186,436.80
Step by Step Solution
- Step 1: Write the proportion equation
134,788.80 : 202,183.20 = 124,291.20 : x - Step 2: Convert to fraction form
134,788.80/202,183.20 = 124,291.20/x - Step 3: Cross multiply
134,788.80x = 202,183.20 × 124,291.20 - Step 4: Simplify right side
134,788.80x = 25,129,592,547.84 - Step 5: Solve for x
x = 25,129,592,547.84/134,788.80 - Step 6: Final answer
x = 186,436.80
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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.