Finding the Fourth Proportional to 163,806.41, 245,682.21 and 45,489.71
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Solution
The fourth proportional to 163,806.41, 245,682.21 and 45,489.71 is: 68,226.95
Step by Step Solution
- Step 1: Write the proportion equation
163,806.41 : 245,682.21 = 45,489.71 : x - Step 2: Convert to fraction form
163,806.41/245,682.21 = 45,489.71/x - Step 3: Cross multiply
163,806.41x = 245,682.21 × 45,489.71 - Step 4: Simplify right side
163,806.41x = 11,176,012,485.06 - Step 5: Solve for x
x = 11,176,012,485.06/163,806.41 - Step 6: Final answer
x = 68,226.95
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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.