Finding the Fourth Proportional to 213,540.18, 294,670.80 and 118,033.80
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Solution
The fourth proportional to 213,540.18, 294,670.80 and 118,033.80 is: 162,878.55
Step by Step Solution
- Step 1: Write the proportion equation
213,540.18 : 294,670.80 = 118,033.80 : x - Step 2: Convert to fraction form
213,540.18/294,670.80 = 118,033.80/x - Step 3: Cross multiply
213,540.18x = 294,670.80 × 118,033.80 - Step 4: Simplify right side
213,540.18x = 34,781,114,273.04 - Step 5: Solve for x
x = 34,781,114,273.04/213,540.18 - Step 6: Final answer
x = 162,878.55
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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.