Finding the Fourth Proportional to 160,617.93, 221,646.77 and 92,637.75
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Solution
The fourth proportional to 160,617.93, 221,646.77 and 92,637.75 is: 127,836.65
Step by Step Solution
- Step 1: Write the proportion equation
160,617.93 : 221,646.77 = 92,637.75 : x - Step 2: Convert to fraction form
160,617.93/221,646.77 = 92,637.75/x - Step 3: Cross multiply
160,617.93x = 221,646.77 × 92,637.75 - Step 4: Simplify right side
160,617.93x = 20,532,857,604.38 - Step 5: Solve for x
x = 20,532,857,604.38/160,617.93 - Step 6: Final answer
x = 127,836.65
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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.