Finding the Fourth Proportional to 97,358.40, 145,879.20 and 88,027.20
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Solution
The fourth proportional to 97,358.40, 145,879.20 and 88,027.20 is: 131,897.58
Step by Step Solution
- Step 1: Write the proportion equation
97,358.40 : 145,879.20 = 88,027.20 : x - Step 2: Convert to fraction form
97,358.40/145,879.20 = 88,027.20/x - Step 3: Cross multiply
97,358.40x = 145,879.20 × 88,027.20 - Step 4: Simplify right side
97,358.40x = 12,841,337,514.24 - Step 5: Solve for x
x = 12,841,337,514.24/97,358.40 - Step 6: Final answer
x = 131,897.58
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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.