Finding the Fourth Proportional to 150,701.99, 207,933.86 and 90,249.71
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Solution
The fourth proportional to 150,701.99, 207,933.86 and 90,249.71 is: 124,523.70
Step by Step Solution
- Step 1: Write the proportion equation
150,701.99 : 207,933.86 = 90,249.71 : x - Step 2: Convert to fraction form
150,701.99/207,933.86 = 90,249.71/x - Step 3: Cross multiply
150,701.99x = 207,933.86 × 90,249.71 - Step 4: Simplify right side
150,701.99x = 18,765,970,112.93 - Step 5: Solve for x
x = 18,765,970,112.93/150,701.99 - Step 6: Final answer
x = 124,523.70
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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.