Finding the Fourth Proportional to 225,609.18, 311,353.11 and 125,005.02
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Solution
The fourth proportional to 225,609.18, 311,353.11 and 125,005.02 is: 172,513.82
Step by Step Solution
- Step 1: Write the proportion equation
225,609.18 : 311,353.11 = 125,005.02 : x - Step 2: Convert to fraction form
225,609.18/311,353.11 = 125,005.02/x - Step 3: Cross multiply
225,609.18x = 311,353.11 × 125,005.02 - Step 4: Simplify right side
225,609.18x = 38,920,701,742.61 - Step 5: Solve for x
x = 38,920,701,742.61/225,609.18 - Step 6: Final answer
x = 172,513.82
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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.