Finding the Fourth Proportional to 519,832.96, 717,370.56 and 281,368.96
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Solution
The fourth proportional to 519,832.96, 717,370.56 and 281,368.96 is: 388,289.75
Step by Step Solution
- Step 1: Write the proportion equation
519,832.96 : 717,370.56 = 281,368.96 : x - Step 2: Convert to fraction form
519,832.96/717,370.56 = 281,368.96/x - Step 3: Cross multiply
519,832.96x = 717,370.56 × 281,368.96 - Step 4: Simplify right side
519,832.96x = 201,845,808,401.82 - Step 5: Solve for x
x = 201,845,808,401.82/519,832.96 - Step 6: Final answer
x = 388,289.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.