Finding the Fourth Proportional to 306,121.74, 459,156.69 and 106,408.14
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Solution
The fourth proportional to 306,121.74, 459,156.69 and 106,408.14 is: 159,603.20
Step by Step Solution
- Step 1: Write the proportion equation
306,121.74 : 459,156.69 = 106,408.14 : x - Step 2: Convert to fraction form
306,121.74/459,156.69 = 106,408.14/x - Step 3: Cross multiply
306,121.74x = 459,156.69 × 106,408.14 - Step 4: Simplify right side
306,121.74x = 48,858,009,351.46 - Step 5: Solve for x
x = 48,858,009,351.46/306,121.74 - Step 6: Final answer
x = 159,603.20
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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.