Finding the Fourth Proportional to 160,392.42, 221,358.02 and 92,411.96
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Solution
The fourth proportional to 160,392.42, 221,358.02 and 92,411.96 is: 127,537.99
Step by Step Solution
- Step 1: Write the proportion equation
160,392.42 : 221,358.02 = 92,411.96 : x - Step 2: Convert to fraction form
160,392.42/221,358.02 = 92,411.96/x - Step 3: Cross multiply
160,392.42x = 221,358.02 × 92,411.96 - Step 4: Simplify right side
160,392.42x = 20,456,126,921.07 - Step 5: Solve for x
x = 20,456,126,921.07/160,392.42 - Step 6: Final answer
x = 127,537.99
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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.