Finding the Fourth Proportional to 213,766.19, 294,941.99 and 127,689.95
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Solution
The fourth proportional to 213,766.19, 294,941.99 and 127,689.95 is: 176,179.07
Step by Step Solution
- Step 1: Write the proportion equation
213,766.19 : 294,941.99 = 127,689.95 : x - Step 2: Convert to fraction form
213,766.19/294,941.99 = 127,689.95/x - Step 3: Cross multiply
213,766.19x = 294,941.99 × 127,689.95 - Step 4: Simplify right side
213,766.19x = 37,661,129,012.58 - Step 5: Solve for x
x = 37,661,129,012.58/213,766.19 - Step 6: Final answer
x = 176,179.07
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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.