Finding the Fourth Proportional to 343,748.07, 474,365.19 and 190,777.29
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Solution
The fourth proportional to 343,748.07, 474,365.19 and 190,777.29 is: 263,268.69
Step by Step Solution
- Step 1: Write the proportion equation
343,748.07 : 474,365.19 = 190,777.29 : x - Step 2: Convert to fraction form
343,748.07/474,365.19 = 190,777.29/x - Step 3: Cross multiply
343,748.07x = 474,365.19 × 190,777.29 - Step 4: Simplify right side
343,748.07x = 90,498,105,418.54 - Step 5: Solve for x
x = 90,498,105,418.54/343,748.07 - Step 6: Final answer
x = 263,268.69
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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.