Finding the Fourth Proportional to 283,072.23, 424,611.99 and 83,347.20
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Solution
The fourth proportional to 283,072.23, 424,611.99 and 83,347.20 is: 125,021.87
Step by Step Solution
- Step 1: Write the proportion equation
283,072.23 : 424,611.99 = 83,347.20 : x - Step 2: Convert to fraction form
283,072.23/424,611.99 = 83,347.20/x - Step 3: Cross multiply
283,072.23x = 424,611.99 × 83,347.20 - Step 4: Simplify right side
283,072.23x = 35,390,220,452.93 - Step 5: Solve for x
x = 35,390,220,452.93/283,072.23 - Step 6: Final answer
x = 125,021.87
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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.