Finding the Fourth Proportional to 239,388.99, 330,341.80 and 131,959.95
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Solution
The fourth proportional to 239,388.99, 330,341.80 and 131,959.95 is: 182,096.46
Step by Step Solution
- Step 1: Write the proportion equation
239,388.99 : 330,341.80 = 131,959.95 : x - Step 2: Convert to fraction form
239,388.99/330,341.80 = 131,959.95/x - Step 3: Cross multiply
239,388.99x = 330,341.80 × 131,959.95 - Step 4: Simplify right side
239,388.99x = 43,591,887,410.91 - Step 5: Solve for x
x = 43,591,887,410.91/239,388.99 - Step 6: Final answer
x = 182,096.46
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.