Finding the Fourth Proportional to 246,052.68, 339,551.13 and 138,657.21
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Solution
The fourth proportional to 246,052.68, 339,551.13 and 138,657.21 is: 191,346.07
Step by Step Solution
- Step 1: Write the proportion equation
246,052.68 : 339,551.13 = 138,657.21 : x - Step 2: Convert to fraction form
246,052.68/339,551.13 = 138,657.21/x - Step 3: Cross multiply
246,052.68x = 339,551.13 × 138,657.21 - Step 4: Simplify right side
246,052.68x = 47,081,212,338.15 - Step 5: Solve for x
x = 47,081,212,338.15/246,052.68 - Step 6: Final answer
x = 191,346.07
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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.