Finding the Fourth Proportional to 160,432.05, 221,419.39 and 92,435.99
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Solution
The fourth proportional to 160,432.05, 221,419.39 and 92,435.99 is: 127,575.02
Step by Step Solution
- Step 1: Write the proportion equation
160,432.05 : 221,419.39 = 92,435.99 : x - Step 2: Convert to fraction form
160,432.05/221,419.39 = 92,435.99/x - Step 3: Cross multiply
160,432.05x = 221,419.39 × 92,435.99 - Step 4: Simplify right side
160,432.05x = 20,467,121,304.48 - Step 5: Solve for x
x = 20,467,121,304.48/160,432.05 - Step 6: Final answer
x = 127,575.02
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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.