Finding the Fourth Proportional to 307,524.74, 461,319.94 and 130,049.70
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Solution
The fourth proportional to 307,524.74, 461,319.94 and 130,049.70 is: 195,088.43
Step by Step Solution
- Step 1: Write the proportion equation
307,524.74 : 461,319.94 = 130,049.70 : x - Step 2: Convert to fraction form
307,524.74/461,319.94 = 130,049.70/x - Step 3: Cross multiply
307,524.74x = 461,319.94 × 130,049.70 - Step 4: Simplify right side
307,524.74x = 59,994,519,801.02 - Step 5: Solve for x
x = 59,994,519,801.02/307,524.74 - Step 6: Final answer
x = 195,088.43
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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.