Finding the Fourth Proportional to 357,723.74, 493,551.11 and 214,431.50
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Solution
The fourth proportional to 357,723.74, 493,551.11 and 214,431.50 is: 295,850.94
Step by Step Solution
- Step 1: Write the proportion equation
357,723.74 : 493,551.11 = 214,431.50 : x - Step 2: Convert to fraction form
357,723.74/493,551.11 = 214,431.50/x - Step 3: Cross multiply
357,723.74x = 493,551.11 × 214,431.50 - Step 4: Simplify right side
357,723.74x = 105,832,904,843.97 - Step 5: Solve for x
x = 105,832,904,843.97/357,723.74 - Step 6: Final answer
x = 295,850.94
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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.