Finding the Fourth Proportional to 274,276.53, 378,536.63 and 153,424.53
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Solution
The fourth proportional to 274,276.53, 378,536.63 and 153,424.53 is: 211,745.44
Step by Step Solution
- Step 1: Write the proportion equation
274,276.53 : 378,536.63 = 153,424.53 : x - Step 2: Convert to fraction form
274,276.53/378,536.63 = 153,424.53/x - Step 3: Cross multiply
274,276.53x = 378,536.63 × 153,424.53 - Step 4: Simplify right side
274,276.53x = 58,076,803,778.41 - Step 5: Solve for x
x = 58,076,803,778.41/274,276.53 - Step 6: Final answer
x = 211,745.44
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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.