Finding the Fourth Proportional to 121,867.74, 182,734.62 and 37,604.91
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Solution
The fourth proportional to 121,867.74, 182,734.62 and 37,604.91 is: 56,386.69
Step by Step Solution
- Step 1: Write the proportion equation
121,867.74 : 182,734.62 = 37,604.91 : x - Step 2: Convert to fraction form
121,867.74/182,734.62 = 37,604.91/x - Step 3: Cross multiply
121,867.74x = 182,734.62 × 37,604.91 - Step 4: Simplify right side
121,867.74x = 6,871,718,938.98 - Step 5: Solve for x
x = 6,871,718,938.98/121,867.74 - Step 6: Final answer
x = 56,386.69
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1.5x scale
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.