Finding the Fourth Proportional to 187,676.24, 259,011.81 and 107,115.93
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Solution
The fourth proportional to 187,676.24, 259,011.81 and 107,115.93 is: 147,830.60
Step by Step Solution
- Step 1: Write the proportion equation
187,676.24 : 259,011.81 = 107,115.93 : x - Step 2: Convert to fraction form
187,676.24/259,011.81 = 107,115.93/x - Step 3: Cross multiply
187,676.24x = 259,011.81 × 107,115.93 - Step 4: Simplify right side
187,676.24x = 27,744,290,909.13 - Step 5: Solve for x
x = 27,744,290,909.13/187,676.24 - Step 6: Final answer
x = 147,830.60
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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.