Finding the Fourth Proportional to 554,014.26, 831,021.36 and 133,290.12
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Solution
The fourth proportional to 554,014.26, 831,021.36 and 133,290.12 is: 199,935.17
Step by Step Solution
- Step 1: Write the proportion equation
554,014.26 : 831,021.36 = 133,290.12 : x - Step 2: Convert to fraction form
554,014.26/831,021.36 = 133,290.12/x - Step 3: Cross multiply
554,014.26x = 831,021.36 × 133,290.12 - Step 4: Simplify right side
554,014.26x = 110,766,936,796.96 - Step 5: Solve for x
x = 110,766,936,796.96/554,014.26 - Step 6: Final answer
x = 199,935.17
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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.