Finding the Fourth Proportional to 357,548.96, 493,297.11 and 202,479.05
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Solution
The fourth proportional to 357,548.96, 493,297.11 and 202,479.05 is: 279,352.88
Step by Step Solution
- Step 1: Write the proportion equation
357,548.96 : 493,297.11 = 202,479.05 : x - Step 2: Convert to fraction form
357,548.96/493,297.11 = 202,479.05/x - Step 3: Cross multiply
357,548.96x = 493,297.11 × 202,479.05 - Step 4: Simplify right side
357,548.96x = 99,882,330,200.55 - Step 5: Solve for x
x = 99,882,330,200.55/357,548.96 - Step 6: Final answer
x = 279,352.88
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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.