Finding the Fourth Proportional to 350,274.13, 483,378.83 and 199,371.13
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Solution
The fourth proportional to 350,274.13, 483,378.83 and 199,371.13 is: 275,132.46
Step by Step Solution
- Step 1: Write the proportion equation
350,274.13 : 483,378.83 = 199,371.13 : x - Step 2: Convert to fraction form
350,274.13/483,378.83 = 199,371.13/x - Step 3: Cross multiply
350,274.13x = 483,378.83 × 199,371.13 - Step 4: Simplify right side
350,274.13x = 96,371,783,555.18 - Step 5: Solve for x
x = 96,371,783,555.18/350,274.13 - Step 6: Final answer
x = 275,132.46
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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.