Finding the Fourth Proportional to 274,276.28, 378,536.28 and 153,424.28
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Solution
The fourth proportional to 274,276.28, 378,536.28 and 153,424.28 is: 211,745.09
Step by Step Solution
- Step 1: Write the proportion equation
274,276.28 : 378,536.28 = 153,424.28 : x - Step 2: Convert to fraction form
274,276.28/378,536.28 = 153,424.28/x - Step 3: Cross multiply
274,276.28x = 378,536.28 × 153,424.28 - Step 4: Simplify right side
274,276.28x = 58,076,656,212.88 - Step 5: Solve for x
x = 58,076,656,212.88/274,276.28 - Step 6: Final answer
x = 211,745.09
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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.