Finding the Fourth Proportional to 202,354.14, 279,249.12 and 111,710.23
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Solution
The fourth proportional to 202,354.14, 279,249.12 and 111,710.23 is: 154,160.34
Step by Step Solution
- Step 1: Write the proportion equation
202,354.14 : 279,249.12 = 111,710.23 : x - Step 2: Convert to fraction form
202,354.14/279,249.12 = 111,710.23/x - Step 3: Cross multiply
202,354.14x = 279,249.12 × 111,710.23 - Step 4: Simplify right side
202,354.14x = 31,194,982,026.25 - Step 5: Solve for x
x = 31,194,982,026.25/202,354.14 - Step 6: Final answer
x = 154,160.34
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1.5x scale
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.