Finding the Fourth Proportional to 279,487.76, 419,296.62 and 79,810.88
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Solution
The fourth proportional to 279,487.76, 419,296.62 and 79,810.88 is: 119,734.88
Step by Step Solution
- Step 1: Write the proportion equation
279,487.76 : 419,296.62 = 79,810.88 : x - Step 2: Convert to fraction form
279,487.76/419,296.62 = 79,810.88/x - Step 3: Cross multiply
279,487.76x = 419,296.62 × 79,810.88 - Step 4: Simplify right side
279,487.76x = 33,464,432,223.23 - Step 5: Solve for x
x = 33,464,432,223.23/279,487.76 - Step 6: Final answer
x = 119,734.88
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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.