Finding the Fourth Proportional to 163,343.20, 244,686.74 and 74,474.46
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Solution
The fourth proportional to 163,343.20, 244,686.74 and 74,474.46 is: 111,562.11
Step by Step Solution
- Step 1: Write the proportion equation
163,343.20 : 244,686.74 = 74,474.46 : x - Step 2: Convert to fraction form
163,343.20/244,686.74 = 74,474.46/x - Step 3: Cross multiply
163,343.20x = 244,686.74 × 74,474.46 - Step 4: Simplify right side
163,343.20x = 18,222,911,607.23 - Step 5: Solve for x
x = 18,222,911,607.23/163,343.20 - Step 6: Final answer
x = 111,562.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.