Finding the Fourth Proportional to 155,760.33, 214,950.24 and 91,267.68
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Solution
The fourth proportional to 155,760.33, 214,950.24 and 91,267.68 is: 125,949.98
Step by Step Solution
- Step 1: Write the proportion equation
155,760.33 : 214,950.24 = 91,267.68 : x - Step 2: Convert to fraction form
155,760.33/214,950.24 = 91,267.68/x - Step 3: Cross multiply
155,760.33x = 214,950.24 × 91,267.68 - Step 4: Simplify right side
155,760.33x = 19,618,009,720.24 - Step 5: Solve for x
x = 19,618,009,720.24/155,760.33 - Step 6: Final answer
x = 125,949.98
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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.