Finding the Fourth Proportional to 242,291.33, 334,362.05 and 134,859.05
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Solution
The fourth proportional to 242,291.33, 334,362.05 and 134,859.05 is: 186,105.50
Step by Step Solution
- Step 1: Write the proportion equation
242,291.33 : 334,362.05 = 134,859.05 : x - Step 2: Convert to fraction form
242,291.33/334,362.05 = 134,859.05/x - Step 3: Cross multiply
242,291.33x = 334,362.05 × 134,859.05 - Step 4: Simplify right side
242,291.33x = 45,091,749,713.31 - Step 5: Solve for x
x = 45,091,749,713.31/242,291.33 - Step 6: Final answer
x = 186,105.50
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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.