Finding the Fourth Proportional to 283,129.40, 424,696.26 and 103,343.69
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Solution
The fourth proportional to 283,129.40, 424,696.26 and 103,343.69 is: 155,016.32
Step by Step Solution
- Step 1: Write the proportion equation
283,129.40 : 424,696.26 = 103,343.69 : x - Step 2: Convert to fraction form
283,129.40/424,696.26 = 103,343.69/x - Step 3: Cross multiply
283,129.40x = 424,696.26 × 103,343.69 - Step 4: Simplify right side
283,129.40x = 43,889,678,637.60 - Step 5: Solve for x
x = 43,889,678,637.60/283,129.40 - Step 6: Final answer
x = 155,016.32
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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.