Finding the Fourth Proportional to 225,347.88, 310,984.26 and 129,838.44
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Solution
The fourth proportional to 225,347.88, 310,984.26 and 129,838.44 is: 179,179.46
Step by Step Solution
- Step 1: Write the proportion equation
225,347.88 : 310,984.26 = 129,838.44 : x - Step 2: Convert to fraction form
225,347.88/310,984.26 = 129,838.44/x - Step 3: Cross multiply
225,347.88x = 310,984.26 × 129,838.44 - Step 4: Simplify right side
225,347.88x = 40,377,711,182.95 - Step 5: Solve for x
x = 40,377,711,182.95/225,347.88 - Step 6: Final answer
x = 179,179.46
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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.