Finding the Fourth Proportional to 213,520.76, 294,645.84 and 118,021.76
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Solution
The fourth proportional to 213,520.76, 294,645.84 and 118,021.76 is: 162,862.95
Step by Step Solution
- Step 1: Write the proportion equation
213,520.76 : 294,645.84 = 118,021.76 : x - Step 2: Convert to fraction form
213,520.76/294,645.84 = 118,021.76/x - Step 3: Cross multiply
213,520.76x = 294,645.84 × 118,021.76 - Step 4: Simplify right side
213,520.76x = 34,774,620,613.48 - Step 5: Solve for x
x = 34,774,620,613.48/213,520.76 - Step 6: Final answer
x = 162,862.95
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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.