Finding the Fourth Proportional to 163,424.64, 245,015.46 and 68,682.63
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Solution
The fourth proportional to 163,424.64, 245,015.46 and 68,682.63 is: 102,972.88
Step by Step Solution
- Step 1: Write the proportion equation
163,424.64 : 245,015.46 = 68,682.63 : x - Step 2: Convert to fraction form
163,424.64/245,015.46 = 68,682.63/x - Step 3: Cross multiply
163,424.64x = 245,015.46 × 68,682.63 - Step 4: Simplify right side
163,424.64x = 16,828,306,183.46 - Step 5: Solve for x
x = 16,828,306,183.46/163,424.64 - Step 6: Final answer
x = 102,972.88
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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.