Finding the Fourth Proportional to 210,102.62, 289,939.74 and 114,607.26
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Solution
The fourth proportional to 210,102.62, 289,939.74 and 114,607.26 is: 158,157.00
Step by Step Solution
- Step 1: Write the proportion equation
210,102.62 : 289,939.74 = 114,607.26 : x - Step 2: Convert to fraction form
210,102.62/289,939.74 = 114,607.26/x - Step 3: Cross multiply
210,102.62x = 289,939.74 × 114,607.26 - Step 4: Simplify right side
210,102.62x = 33,229,199,166.51 - Step 5: Solve for x
x = 33,229,199,166.51/210,102.62 - Step 6: Final answer
x = 158,157.00
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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.