Finding the Fourth Proportional to 274,506.91, 378,733.19 and 153,628.99
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Solution
The fourth proportional to 274,506.91, 378,733.19 and 153,628.99 is: 211,959.68
Step by Step Solution
- Step 1: Write the proportion equation
274,506.91 : 378,733.19 = 153,628.99 : x - Step 2: Convert to fraction form
274,506.91/378,733.19 = 153,628.99/x - Step 3: Cross multiply
274,506.91x = 378,733.19 × 153,628.99 - Step 4: Simplify right side
274,506.91x = 58,184,395,744.20 - Step 5: Solve for x
x = 58,184,395,744.20/274,506.91 - Step 6: Final answer
x = 211,959.68
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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.