Finding the Fourth Proportional to 162,251.99, 243,378.17 and 42,308.84
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Solution
The fourth proportional to 162,251.99, 243,378.17 and 42,308.84 is: 63,463.31
Step by Step Solution
- Step 1: Write the proportion equation
162,251.99 : 243,378.17 = 42,308.84 : x - Step 2: Convert to fraction form
162,251.99/243,378.17 = 42,308.84/x - Step 3: Cross multiply
162,251.99x = 243,378.17 × 42,308.84 - Step 4: Simplify right side
162,251.99x = 10,297,048,768.24 - Step 5: Solve for x
x = 10,297,048,768.24/162,251.99 - Step 6: Final answer
x = 63,463.31
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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.