Finding the Fourth Proportional to 292,388.99, 438,131.41 and 228,194.92
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Solution
The fourth proportional to 292,388.99, 438,131.41 and 228,194.92 is: 341,939.56
Step by Step Solution
- Step 1: Write the proportion equation
292,388.99 : 438,131.41 = 228,194.92 : x - Step 2: Convert to fraction form
292,388.99/438,131.41 = 228,194.92/x - Step 3: Cross multiply
292,388.99x = 438,131.41 × 228,194.92 - Step 4: Simplify right side
292,388.99x = 99,979,361,483.95 - Step 5: Solve for x
x = 99,979,361,483.95/292,388.99 - Step 6: Final answer
x = 341,939.56
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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.