Finding the Fourth Proportional to 372,807.36, 559,086.84 and 120,028.68
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Solution
The fourth proportional to 372,807.36, 559,086.84 and 120,028.68 is: 180,003.03
Step by Step Solution
- Step 1: Write the proportion equation
372,807.36 : 559,086.84 = 120,028.68 : x - Step 2: Convert to fraction form
372,807.36/559,086.84 = 120,028.68/x - Step 3: Cross multiply
372,807.36x = 559,086.84 × 120,028.68 - Step 4: Simplify right side
372,807.36x = 67,106,455,410.57 - Step 5: Solve for x
x = 67,106,455,410.57/372,807.36 - Step 6: Final answer
x = 180,003.03
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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.