Finding the Fourth Proportional to 75,495.40, 113,242.68 and 19,335.40
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Solution
The fourth proportional to 75,495.40, 113,242.68 and 19,335.40 is: 29,002.99
Step by Step Solution
- Step 1: Write the proportion equation
75,495.40 : 113,242.68 = 19,335.40 : x - Step 2: Convert to fraction form
75,495.40/113,242.68 = 19,335.40/x - Step 3: Cross multiply
75,495.40x = 113,242.68 × 19,335.40 - Step 4: Simplify right side
75,495.40x = 2,189,592,514.87 - Step 5: Solve for x
x = 2,189,592,514.87/75,495.40 - Step 6: Final answer
x = 29,002.99
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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.