Finding the Fourth Proportional to 163,431.74, 244,620.29 and 84,437.30
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Solution
The fourth proportional to 163,431.74, 244,620.29 and 84,437.30 is: 126,383.50
Step by Step Solution
- Step 1: Write the proportion equation
163,431.74 : 244,620.29 = 84,437.30 : x - Step 2: Convert to fraction form
163,431.74/244,620.29 = 84,437.30/x - Step 3: Cross multiply
163,431.74x = 244,620.29 × 84,437.30 - Step 4: Simplify right side
163,431.74x = 20,655,075,167.53 - Step 5: Solve for x
x = 20,655,075,167.53/163,431.74 - Step 6: Final answer
x = 126,383.50
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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.