Finding the Fourth Proportional to 115,988.12, 174,009.81 and 41,114.80
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Solution
The fourth proportional to 115,988.12, 174,009.81 and 41,114.80 is: 61,681.99
Step by Step Solution
- Step 1: Write the proportion equation
115,988.12 : 174,009.81 = 41,114.80 : x - Step 2: Convert to fraction form
115,988.12/174,009.81 = 41,114.80/x - Step 3: Cross multiply
115,988.12x = 174,009.81 × 41,114.80 - Step 4: Simplify right side
115,988.12x = 7,154,378,536.19 - Step 5: Solve for x
x = 7,154,378,536.19/115,988.12 - Step 6: Final answer
x = 61,681.99
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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.