Finding the Fourth Proportional to 379,041.24, 523,015.22 and 223,970.99
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Solution
The fourth proportional to 379,041.24, 523,015.22 and 223,970.99 is: 309,043.50
Step by Step Solution
- Step 1: Write the proportion equation
379,041.24 : 523,015.22 = 223,970.99 : x - Step 2: Convert to fraction form
379,041.24/523,015.22 = 223,970.99/x - Step 3: Cross multiply
379,041.24x = 523,015.22 × 223,970.99 - Step 4: Simplify right side
379,041.24x = 117,140,232,873.54 - Step 5: Solve for x
x = 117,140,232,873.54/379,041.24 - Step 6: Final answer
x = 309,043.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.