Finding the Fourth Proportional to 274,299.84, 378,550.73 and 153,449.26
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Solution
The fourth proportional to 274,299.84, 378,550.73 and 153,449.26 is: 211,769.46
Step by Step Solution
- Step 1: Write the proportion equation
274,299.84 : 378,550.73 = 153,449.26 : x - Step 2: Convert to fraction form
274,299.84/378,550.73 = 153,449.26/x - Step 3: Cross multiply
274,299.84x = 378,550.73 × 153,449.26 - Step 4: Simplify right side
274,299.84x = 58,088,328,828.21 - Step 5: Solve for x
x = 58,088,328,828.21/274,299.84 - Step 6: Final answer
x = 211,769.46
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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.