Finding the Fourth Proportional to 188,048.99, 259,444.47 and 107,419.42
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Solution
The fourth proportional to 188,048.99, 259,444.47 and 107,419.42 is: 148,202.73
Step by Step Solution
- Step 1: Write the proportion equation
188,048.99 : 259,444.47 = 107,419.42 : x - Step 2: Convert to fraction form
188,048.99/259,444.47 = 107,419.42/x - Step 3: Cross multiply
188,048.99x = 259,444.47 × 107,419.42 - Step 4: Simplify right side
188,048.99x = 27,869,373,153.13 - Step 5: Solve for x
x = 27,869,373,153.13/188,048.99 - Step 6: Final answer
x = 148,202.73
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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.