Finding the Fourth Proportional to 279,615.68, 419,603.88 and 102,107.84
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Solution
The fourth proportional to 279,615.68, 419,603.88 and 102,107.84 is: 153,227.62
Step by Step Solution
- Step 1: Write the proportion equation
279,615.68 : 419,603.88 = 102,107.84 : x - Step 2: Convert to fraction form
279,615.68/419,603.88 = 102,107.84/x - Step 3: Cross multiply
279,615.68x = 419,603.88 × 102,107.84 - Step 4: Simplify right side
279,615.68x = 42,844,845,842.42 - Step 5: Solve for x
x = 42,844,845,842.42/279,615.68 - Step 6: Final answer
x = 153,227.62
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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.