Finding the Fourth Proportional to 213,959.07, 320,632.43 and 120,267.99
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Solution
The fourth proportional to 213,959.07, 320,632.43 and 120,267.99 is: 180,229.88
Step by Step Solution
- Step 1: Write the proportion equation
213,959.07 : 320,632.43 = 120,267.99 : x - Step 2: Convert to fraction form
213,959.07/320,632.43 = 120,267.99/x - Step 3: Cross multiply
213,959.07x = 320,632.43 × 120,267.99 - Step 4: Simplify right side
213,959.07x = 38,561,817,283.58 - Step 5: Solve for x
x = 38,561,817,283.58/213,959.07 - Step 6: Final answer
x = 180,229.88
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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.