Finding the Fourth Proportional to 213,564.20, 294,724.74 and 118,077.05
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Solution
The fourth proportional to 213,564.20, 294,724.74 and 118,077.05 is: 162,949.72
Step by Step Solution
- Step 1: Write the proportion equation
213,564.20 : 294,724.74 = 118,077.05 : x - Step 2: Convert to fraction form
213,564.20/294,724.74 = 118,077.05/x - Step 3: Cross multiply
213,564.20x = 294,724.74 × 118,077.05 - Step 4: Simplify right side
213,564.20x = 34,800,226,387.59 - Step 5: Solve for x
x = 34,800,226,387.59/213,564.20 - Step 6: Final answer
x = 162,949.72
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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.