Finding the Fourth Proportional to 101,333.07, 151,917.55 and 42,212.99
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Solution
The fourth proportional to 101,333.07, 151,917.55 and 42,212.99 is: 63,285.31
Step by Step Solution
- Step 1: Write the proportion equation
101,333.07 : 151,917.55 = 42,212.99 : x - Step 2: Convert to fraction form
101,333.07/151,917.55 = 42,212.99/x - Step 3: Cross multiply
101,333.07x = 151,917.55 × 42,212.99 - Step 4: Simplify right side
101,333.07x = 6,412,894,293.24 - Step 5: Solve for x
x = 6,412,894,293.24/101,333.07 - Step 6: Final answer
x = 63,285.31
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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.