Finding the Fourth Proportional to 213,744.80, 294,970.74 and 133,204.88
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Solution
The fourth proportional to 213,744.80, 294,970.74 and 133,204.88 is: 183,824.55
Step by Step Solution
- Step 1: Write the proportion equation
213,744.80 : 294,970.74 = 133,204.88 : x - Step 2: Convert to fraction form
213,744.80/294,970.74 = 133,204.88/x - Step 3: Cross multiply
213,744.80x = 294,970.74 × 133,204.88 - Step 4: Simplify right side
213,744.80x = 39,291,542,025.21 - Step 5: Solve for x
x = 39,291,542,025.21/213,744.80 - Step 6: Final answer
x = 183,824.55
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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.