Finding the Fourth Proportional to 160,242.15, 221,132.74 and 88,620.63
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Solution
The fourth proportional to 160,242.15, 221,132.74 and 88,620.63 is: 122,295.68
Step by Step Solution
- Step 1: Write the proportion equation
160,242.15 : 221,132.74 = 88,620.63 : x - Step 2: Convert to fraction form
160,242.15/221,132.74 = 88,620.63/x - Step 3: Cross multiply
160,242.15x = 221,132.74 × 88,620.63 - Step 4: Simplify right side
160,242.15x = 19,596,922,732.43 - Step 5: Solve for x
x = 19,596,922,732.43/160,242.15 - Step 6: Final answer
x = 122,295.68
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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.