Finding the Fourth Proportional to 225,605.18, 311,335.16 and 125,003.18
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Solution
The fourth proportional to 225,605.18, 311,335.16 and 125,003.18 is: 172,504.39
Step by Step Solution
- Step 1: Write the proportion equation
225,605.18 : 311,335.16 = 125,003.18 : x - Step 2: Convert to fraction form
225,605.18/311,335.16 = 125,003.18/x - Step 3: Cross multiply
225,605.18x = 311,335.16 × 125,003.18 - Step 4: Simplify right side
225,605.18x = 38,917,885,045.81 - Step 5: Solve for x
x = 38,917,885,045.81/225,605.18 - Step 6: Final answer
x = 172,504.39
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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.