Finding the Fourth Proportional to 240,708.98, 332,189.80 and 145,213.62
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Solution
The fourth proportional to 240,708.98, 332,189.80 and 145,213.62 is: 200,401.68
Step by Step Solution
- Step 1: Write the proportion equation
240,708.98 : 332,189.80 = 145,213.62 : x - Step 2: Convert to fraction form
240,708.98/332,189.80 = 145,213.62/x - Step 3: Cross multiply
240,708.98x = 332,189.80 × 145,213.62 - Step 4: Simplify right side
240,708.98x = 48,238,483,385.08 - Step 5: Solve for x
x = 48,238,483,385.08/240,708.98 - Step 6: Final answer
x = 200,401.68
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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.