Finding the Fourth Proportional to 117,643.24, 162,351.30 and 67,358.44
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Solution
The fourth proportional to 117,643.24, 162,351.30 and 67,358.44 is: 92,956.72
Step by Step Solution
- Step 1: Write the proportion equation
117,643.24 : 162,351.30 = 67,358.44 : x - Step 2: Convert to fraction form
117,643.24/162,351.30 = 67,358.44/x - Step 3: Cross multiply
117,643.24x = 162,351.30 × 67,358.44 - Step 4: Simplify right side
117,643.24x = 10,935,730,299.97 - Step 5: Solve for x
x = 10,935,730,299.97/117,643.24 - Step 6: Final answer
x = 92,956.72
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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.