Finding the Fourth Proportional to 346,295.20, 519,334.80 and 135,997.60
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Solution
The fourth proportional to 346,295.20, 519,334.80 and 135,997.60 is: 203,953.99
Step by Step Solution
- Step 1: Write the proportion equation
346,295.20 : 519,334.80 = 135,997.60 : x - Step 2: Convert to fraction form
346,295.20/519,334.80 = 135,997.60/x - Step 3: Cross multiply
346,295.20x = 519,334.80 × 135,997.60 - Step 4: Simplify right side
346,295.20x = 70,628,286,396.48 - Step 5: Solve for x
x = 70,628,286,396.48/346,295.20 - Step 6: Final answer
x = 203,953.99
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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.