Finding the Fourth Proportional to 401,922.36, 602,462.16 and 135,591.12
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Solution
The fourth proportional to 401,922.36, 602,462.16 and 135,591.12 is: 203,244.52
Step by Step Solution
- Step 1: Write the proportion equation
401,922.36 : 602,462.16 = 135,591.12 : x - Step 2: Convert to fraction form
401,922.36/602,462.16 = 135,591.12/x - Step 3: Cross multiply
401,922.36x = 602,462.16 × 135,591.12 - Step 4: Simplify right side
401,922.36x = 81,688,519,032.02 - Step 5: Solve for x
x = 81,688,519,032.02/401,922.36 - Step 6: Final answer
x = 203,244.52
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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.