Finding the Fourth Proportional to 108,639.38, 163,031.37 and 44,649.99
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Solution
The fourth proportional to 108,639.38, 163,031.37 and 44,649.99 is: 67,004.71
Step by Step Solution
- Step 1: Write the proportion equation
108,639.38 : 163,031.37 = 44,649.99 : x - Step 2: Convert to fraction form
108,639.38/163,031.37 = 44,649.99/x - Step 3: Cross multiply
108,639.38x = 163,031.37 × 44,649.99 - Step 4: Simplify right side
108,639.38x = 7,279,349,651.55 - Step 5: Solve for x
x = 7,279,349,651.55/108,639.38 - Step 6: Final answer
x = 67,004.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.