Finding the Fourth Proportional to 143,090.09, 214,634.93 and 49,595.84
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Solution
The fourth proportional to 143,090.09, 214,634.93 and 49,595.84 is: 74,393.68
Step by Step Solution
- Step 1: Write the proportion equation
143,090.09 : 214,634.93 = 49,595.84 : x - Step 2: Convert to fraction form
143,090.09/214,634.93 = 49,595.84/x - Step 3: Cross multiply
143,090.09x = 214,634.93 × 49,595.84 - Step 4: Simplify right side
143,090.09x = 10,644,998,325.54 - Step 5: Solve for x
x = 10,644,998,325.54/143,090.09 - Step 6: Final answer
x = 74,393.68
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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.