Finding the Fourth Proportional to 213,149.16, 294,124.86 and 117,649.68
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Solution
The fourth proportional to 213,149.16, 294,124.86 and 117,649.68 is: 162,344.98
Step by Step Solution
- Step 1: Write the proportion equation
213,149.16 : 294,124.86 = 117,649.68 : x - Step 2: Convert to fraction form
213,149.16/294,124.86 = 117,649.68/x - Step 3: Cross multiply
213,149.16x = 294,124.86 × 117,649.68 - Step 4: Simplify right side
213,149.16x = 34,603,695,659.04 - Step 5: Solve for x
x = 34,603,695,659.04/213,149.16 - Step 6: Final answer
x = 162,344.98
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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.