Finding the Fourth Proportional to 310,301.99, 428,190.46 and 174,325.26
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Solution
The fourth proportional to 310,301.99, 428,190.46 and 174,325.26 is: 240,554.09
Step by Step Solution
- Step 1: Write the proportion equation
310,301.99 : 428,190.46 = 174,325.26 : x - Step 2: Convert to fraction form
310,301.99/428,190.46 = 174,325.26/x - Step 3: Cross multiply
310,301.99x = 428,190.46 × 174,325.26 - Step 4: Simplify right side
310,301.99x = 74,644,413,269.02 - Step 5: Solve for x
x = 74,644,413,269.02/310,301.99 - Step 6: Final answer
x = 240,554.09
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1.5x scale
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.