Finding the Fourth Proportional to 230,131.18, 345,243.92 and 97,011.68
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Solution
The fourth proportional to 230,131.18, 345,243.92 and 97,011.68 is: 145,537.39
Step by Step Solution
- Step 1: Write the proportion equation
230,131.18 : 345,243.92 = 97,011.68 : x - Step 2: Convert to fraction form
230,131.18/345,243.92 = 97,011.68/x - Step 3: Cross multiply
230,131.18x = 345,243.92 × 97,011.68 - Step 4: Simplify right side
230,131.18x = 33,492,691,023.40 - Step 5: Solve for x
x = 33,492,691,023.40/230,131.18 - Step 6: Final answer
x = 145,537.39
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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.