Finding the Fourth Proportional to 113,742.49, 170,633.99 and 38,870.95
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Solution
The fourth proportional to 113,742.49, 170,633.99 and 38,870.95 is: 58,313.35
Step by Step Solution
- Step 1: Write the proportion equation
113,742.49 : 170,633.99 = 38,870.95 : x - Step 2: Convert to fraction form
113,742.49/170,633.99 = 38,870.95/x - Step 3: Cross multiply
113,742.49x = 170,633.99 × 38,870.95 - Step 4: Simplify right side
113,742.49x = 6,632,705,099.24 - Step 5: Solve for x
x = 6,632,705,099.24/113,742.49 - Step 6: Final answer
x = 58,313.35
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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.