Finding the Fourth Proportional to 279,723.68, 419,574.72 and 69,363.44
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Solution
The fourth proportional to 279,723.68, 419,574.72 and 69,363.44 is: 104,042.48
Step by Step Solution
- Step 1: Write the proportion equation
279,723.68 : 419,574.72 = 69,363.44 : x - Step 2: Convert to fraction form
279,723.68/419,574.72 = 69,363.44/x - Step 3: Cross multiply
279,723.68x = 419,574.72 × 69,363.44 - Step 4: Simplify right side
279,723.68x = 29,103,145,916.24 - Step 5: Solve for x
x = 29,103,145,916.24/279,723.68 - Step 6: Final answer
x = 104,042.48
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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.