Finding the Fourth Proportional to 274,023.99, 378,161.06 and 149,852.26
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Solution
The fourth proportional to 274,023.99, 378,161.06 and 149,852.26 is: 206,800.47
Step by Step Solution
- Step 1: Write the proportion equation
274,023.99 : 378,161.06 = 149,852.26 : x - Step 2: Convert to fraction form
274,023.99/378,161.06 = 149,852.26/x - Step 3: Cross multiply
274,023.99x = 378,161.06 × 149,852.26 - Step 4: Simplify right side
274,023.99x = 56,668,289,485.00 - Step 5: Solve for x
x = 56,668,289,485.00/274,023.99 - Step 6: Final answer
x = 206,800.47
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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.