Finding the Fourth Proportional to 202,346.70, 303,641.55 and 84,005.70
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Solution
The fourth proportional to 202,346.70, 303,641.55 and 84,005.70 is: 126,058.99
Step by Step Solution
- Step 1: Write the proportion equation
202,346.70 : 303,641.55 = 84,005.70 : x - Step 2: Convert to fraction form
202,346.70/303,641.55 = 84,005.70/x - Step 3: Cross multiply
202,346.70x = 303,641.55 × 84,005.70 - Step 4: Simplify right side
202,346.70x = 25,507,620,956.84 - Step 5: Solve for x
x = 25,507,620,956.84/202,346.70 - Step 6: Final answer
x = 126,058.99
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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.