Finding the Fourth Proportional to 215,257.08, 322,676.28 and 102,908.19
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Solution
The fourth proportional to 215,257.08, 322,676.28 and 102,908.19 is: 154,262.20
Step by Step Solution
- Step 1: Write the proportion equation
215,257.08 : 322,676.28 = 102,908.19 : x - Step 2: Convert to fraction form
215,257.08/322,676.28 = 102,908.19/x - Step 3: Cross multiply
215,257.08x = 322,676.28 × 102,908.19 - Step 4: Simplify right side
215,257.08x = 33,206,031,416.19 - Step 5: Solve for x
x = 33,206,031,416.19/215,257.08 - Step 6: Final answer
x = 154,262.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.