Finding the Fourth Proportional to 213,422.99, 294,519.65 and 117,927.63
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Solution
The fourth proportional to 213,422.99, 294,519.65 and 117,927.63 is: 162,737.88
Step by Step Solution
- Step 1: Write the proportion equation
213,422.99 : 294,519.65 = 117,927.63 : x - Step 2: Convert to fraction form
213,422.99/294,519.65 = 117,927.63/x - Step 3: Cross multiply
213,422.99x = 294,519.65 × 117,927.63 - Step 4: Simplify right side
213,422.99x = 34,732,003,723.29 - Step 5: Solve for x
x = 34,732,003,723.29/213,422.99 - Step 6: Final answer
x = 162,737.88
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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.