Finding the Fourth Proportional to 401,327.19, 602,052.99 and 135,066.96
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Solution
The fourth proportional to 401,327.19, 602,052.99 and 135,066.96 is: 202,621.38
Step by Step Solution
- Step 1: Write the proportion equation
401,327.19 : 602,052.99 = 135,066.96 : x - Step 2: Convert to fraction form
401,327.19/602,052.99 = 135,066.96/x - Step 3: Cross multiply
401,327.19x = 602,052.99 × 135,066.96 - Step 4: Simplify right side
401,327.19x = 81,317,467,118.21 - Step 5: Solve for x
x = 81,317,467,118.21/401,327.19 - Step 6: Final answer
x = 202,621.38
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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.