Finding the Fourth Proportional to 324,722.12, 486,909.12 and 162,590.69
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Solution
The fourth proportional to 324,722.12, 486,909.12 and 162,590.69 is: 243,798.89
Step by Step Solution
- Step 1: Write the proportion equation
324,722.12 : 486,909.12 = 162,590.69 : x - Step 2: Convert to fraction form
324,722.12/486,909.12 = 162,590.69/x - Step 3: Cross multiply
324,722.12x = 486,909.12 × 162,590.69 - Step 4: Simplify right side
324,722.12x = 79,166,891,615.08 - Step 5: Solve for x
x = 79,166,891,615.08/324,722.12 - Step 6: Final answer
x = 243,798.89
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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.