Finding the Fourth Proportional to 225,346.88, 310,982.88 and 129,837.44
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Solution
The fourth proportional to 225,346.88, 310,982.88 and 129,837.44 is: 179,178.08
Step by Step Solution
- Step 1: Write the proportion equation
225,346.88 : 310,982.88 = 129,837.44 : x - Step 2: Convert to fraction form
225,346.88/310,982.88 = 129,837.44/x - Step 3: Cross multiply
225,346.88x = 310,982.88 × 129,837.44 - Step 4: Simplify right side
225,346.88x = 40,377,221,023.03 - Step 5: Solve for x
x = 40,377,221,023.03/225,346.88 - Step 6: Final answer
x = 179,178.08
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1.5x scale
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.