Finding the Fourth Proportional to 258,228.67, 386,624.49 and 131,595.88
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Solution
The fourth proportional to 258,228.67, 386,624.49 and 131,595.88 is: 197,027.66
Step by Step Solution
- Step 1: Write the proportion equation
258,228.67 : 386,624.49 = 131,595.88 : x - Step 2: Convert to fraction form
258,228.67/386,624.49 = 131,595.88/x - Step 3: Cross multiply
258,228.67x = 386,624.49 × 131,595.88 - Step 4: Simplify right side
258,228.67x = 50,878,189,991.10 - Step 5: Solve for x
x = 50,878,189,991.10/258,228.67 - Step 6: Final answer
x = 197,027.66
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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.