Finding the Fourth Proportional to 274,041.24, 378,174.06 and 160,842.12
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Solution
The fourth proportional to 274,041.24, 378,174.06 and 160,842.12 is: 221,960.45
Step by Step Solution
- Step 1: Write the proportion equation
274,041.24 : 378,174.06 = 160,842.12 : x - Step 2: Convert to fraction form
274,041.24/378,174.06 = 160,842.12/x - Step 3: Cross multiply
274,041.24x = 378,174.06 × 160,842.12 - Step 4: Simplify right side
274,041.24x = 60,826,317,539.41 - Step 5: Solve for x
x = 60,826,317,539.41/274,041.24 - Step 6: Final answer
x = 221,960.45
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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.