Finding the Fourth Proportional to 357,572.63, 493,243.91 and 214,249.62
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Solution
The fourth proportional to 357,572.63, 493,243.91 and 214,249.62 is: 295,540.85
Step by Step Solution
- Step 1: Write the proportion equation
357,572.63 : 493,243.91 = 214,249.62 : x - Step 2: Convert to fraction form
357,572.63/493,243.91 = 214,249.62/x - Step 3: Cross multiply
357,572.63x = 493,243.91 × 214,249.62 - Step 4: Simplify right side
357,572.63x = 105,677,319,213.57 - Step 5: Solve for x
x = 105,677,319,213.57/357,572.63 - Step 6: Final answer
x = 295,540.85
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1.5x scale
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.