Finding the Fourth Proportional to 163,439.12, 245,173.56 and 63,606.80
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Solution
The fourth proportional to 163,439.12, 245,173.56 and 63,606.80 is: 95,415.99
Step by Step Solution
- Step 1: Write the proportion equation
163,439.12 : 245,173.56 = 63,606.80 : x - Step 2: Convert to fraction form
163,439.12/245,173.56 = 63,606.80/x - Step 3: Cross multiply
163,439.12x = 245,173.56 × 63,606.80 - Step 4: Simplify right side
163,439.12x = 15,594,705,596.21 - Step 5: Solve for x
x = 15,594,705,596.21/163,439.12 - Step 6: Final answer
x = 95,415.99
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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.