Finding the Fourth Proportional to 154,605.44, 213,784.98 and 122,718.98
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Solution
The fourth proportional to 154,605.44, 213,784.98 and 122,718.98 is: 169,693.09
Step by Step Solution
- Step 1: Write the proportion equation
154,605.44 : 213,784.98 = 122,718.98 : x - Step 2: Convert to fraction form
154,605.44/213,784.98 = 122,718.98/x - Step 3: Cross multiply
154,605.44x = 213,784.98 × 122,718.98 - Step 4: Simplify right side
154,605.44x = 26,235,474,684.92 - Step 5: Solve for x
x = 26,235,474,684.92/154,605.44 - Step 6: Final answer
x = 169,693.09
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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.