Finding the Fourth Proportional to 201,352.81, 301,625.99 and 121,346.23
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Solution
The fourth proportional to 201,352.81, 301,625.99 and 121,346.23 is: 181,776.34
Step by Step Solution
- Step 1: Write the proportion equation
201,352.81 : 301,625.99 = 121,346.23 : x - Step 2: Convert to fraction form
201,352.81/301,625.99 = 121,346.23/x - Step 3: Cross multiply
201,352.81x = 301,625.99 × 121,346.23 - Step 4: Simplify right side
201,352.81x = 36,601,176,149.79 - Step 5: Solve for x
x = 36,601,176,149.79/201,352.81 - Step 6: Final answer
x = 181,776.34
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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.