Finding the Fourth Proportional to 401,551.53, 602,382.86 and 135,388.17
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Solution
The fourth proportional to 401,551.53, 602,382.86 and 135,388.17 is: 203,100.99
Step by Step Solution
- Step 1: Write the proportion equation
401,551.53 : 602,382.86 = 135,388.17 : x - Step 2: Convert to fraction form
401,551.53/602,382.86 = 135,388.17/x - Step 3: Cross multiply
401,551.53x = 602,382.86 × 135,388.17 - Step 4: Simplify right side
401,551.53x = 81,555,512,377.83 - Step 5: Solve for x
x = 81,555,512,377.83/401,551.53 - Step 6: Final answer
x = 203,100.99
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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.