Finding the Fourth Proportional to 213,372.74, 320,259.99 and 108,267.14
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Solution
The fourth proportional to 213,372.74, 320,259.99 and 108,267.14 is: 162,502.64
Step by Step Solution
- Step 1: Write the proportion equation
213,372.74 : 320,259.99 = 108,267.14 : x - Step 2: Convert to fraction form
213,372.74/320,259.99 = 108,267.14/x - Step 3: Cross multiply
213,372.74x = 320,259.99 × 108,267.14 - Step 4: Simplify right side
213,372.74x = 34,673,633,173.73 - Step 5: Solve for x
x = 34,673,633,173.73/213,372.74 - Step 6: Final answer
x = 162,502.64
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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.