Finding the Fourth Proportional to 357,633.75, 493,516.94 and 214,365.99
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Solution
The fourth proportional to 357,633.75, 493,516.94 and 214,365.99 is: 295,814.49
Step by Step Solution
- Step 1: Write the proportion equation
357,633.75 : 493,516.94 = 214,365.99 : x - Step 2: Convert to fraction form
357,633.75/493,516.94 = 214,365.99/x - Step 3: Cross multiply
357,633.75x = 493,516.94 × 214,365.99 - Step 4: Simplify right side
357,633.75x = 105,793,246,353.04 - Step 5: Solve for x
x = 105,793,246,353.04/357,633.75 - Step 6: Final answer
x = 295,814.49
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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.