Finding the Fourth Proportional to 279,530.76, 419,361.74 and 92,542.26
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Solution
The fourth proportional to 279,530.76, 419,361.74 and 92,542.26 is: 138,835.11
Step by Step Solution
- Step 1: Write the proportion equation
279,530.76 : 419,361.74 = 92,542.26 : x - Step 2: Convert to fraction form
279,530.76/419,361.74 = 92,542.26/x - Step 3: Cross multiply
279,530.76x = 419,361.74 × 92,542.26 - Step 4: Simplify right side
279,530.76x = 38,808,683,177.13 - Step 5: Solve for x
x = 38,808,683,177.13/279,530.76 - Step 6: Final answer
x = 138,835.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.